5623716281 has 2 divisors, whose sum is σ = 5623716282. Its totient is φ = 5623716280.

The previous prime is 5623716253. The next prime is 5623716317. The reversal of 5623716281 is 1826173265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5608661881 + 15054400 = 74891^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 5623716281 - 2²⁶ = 5556607417 is a prime.

It is a super-2 number, since 2×5623716281² = 63252369618368941922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5623716181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811858140 + 2811858141.

It is an arithmetic number, because the mean of its divisors is an integer number (2811858141).

Almost surely, 2^5623716281 is an apocalyptic number.

It is an amenable number.

5623716281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623716281 is an equidigital number, since it uses as much as digits as its factorization.

5623716281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 5623716281 is about 74991.4413850007. The cubic root of 5623716281 is about 1778.3113515366.

The spelling of 5623716281 in words is "five billion, six hundred twenty-three million, seven hundred sixteen thousand, two hundred eighty-one".