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2921324069 is a prime number
BaseRepresentation
bin1010111000011111…
…1101111000100101
321112120222122020202
42232013331320211
521440324332234
61201514040245
7132251562536
oct25607757045
97476878222
102921324069
11126a014014
12696419085
133772c8a31
141d9da668d
1512170277e
hexae1fde25

2921324069 has 2 divisors, whose sum is σ = 2921324070. Its totient is φ = 2921324068.

The previous prime is 2921324027. The next prime is 2921324083. The reversal of 2921324069 is 9604231292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2877035044 + 44289025 = 53638^2 + 6655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2921324069 is a prime.

It is a super-2 number, since 2×29213240692 = 17068268632237433522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2921324089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460662034 + 1460662035.

It is an arithmetic number, because the mean of its divisors is an integer number (1460662035).

Almost surely, 22921324069 is an apocalyptic number.

It is an amenable number.

2921324069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921324069 is an equidigital number, since it uses as much as digits as its factorization.

2921324069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2921324069 is about 54049.2744539647. The cubic root of 2921324069 is about 1429.5299070970.

The spelling of 2921324069 in words is "two billion, nine hundred twenty-one million, three hundred twenty-four thousand, sixty-nine".