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2247073649 is a prime number
BaseRepresentation
bin1000010111101111…
…1001111101110001
312210121021011112222
42011323321331301
514100222324044
61010550330425
7106453545062
oct20573717561
95717234488
102247073649
11a53461767
12528659a15
1329a703aa2
14174612569
15d24198ee
hex85ef9f71

2247073649 has 2 divisors, whose sum is σ = 2247073650. Its totient is φ = 2247073648.

The previous prime is 2247073597. The next prime is 2247073667. The reversal of 2247073649 is 9463707422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088490000 + 158583649 = 45700^2 + 12593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2247073649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2247073679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123536824 + 1123536825.

It is an arithmetic number, because the mean of its divisors is an integer number (1123536825).

Almost surely, 22247073649 is an apocalyptic number.

It is an amenable number.

2247073649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247073649 is an equidigital number, since it uses as much as digits as its factorization.

2247073649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 2247073649 is about 47403.3084182950. The cubic root of 2247073649 is about 1309.8023610701.

The spelling of 2247073649 in words is "two billion, two hundred forty-seven million, seventy-three thousand, six hundred forty-nine".