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3742557869 is a prime number
BaseRepresentation
bin1101111100010010…
…1110011010101101
3100122211021122020102
43133010232122231
530131043322434
61415212000445
7161513134301
oct33704563255
910584248212
103742557869
111650638136
12885460125
134784a47ab
1427709bd01
1516d87107e
hexdf12e6ad

3742557869 has 2 divisors, whose sum is σ = 3742557870. Its totient is φ = 3742557868.

The previous prime is 3742557823. The next prime is 3742557883. The reversal of 3742557869 is 9687552473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2025450025 + 1717107844 = 45005^2 + 41438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3742557869 is a prime.

It is a super-2 number, since 2×37425578692 = 28013478805627642322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3742557809) 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, 1871278934 + 1871278935.

It is an arithmetic number, because the mean of its divisors is an integer number (1871278935).

Almost surely, 23742557869 is an apocalyptic number.

It is an amenable number.

3742557869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742557869 is an equidigital number, since it uses as much as digits as its factorization.

3742557869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 56.

The square root of 3742557869 is about 61176.4486465176. The cubic root of 3742557869 is about 1552.5878198399.

The spelling of 3742557869 in words is "three billion, seven hundred forty-two million, five hundred fifty-seven thousand, eight hundred sixty-nine".