40296793969 has 2 divisors, whose sum is σ = 40296793970. Its totient is φ = 40296793968.

The previous prime is 40296793961. The next prime is 40296793973. The reversal of 40296793969 is 96939769204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40250390625 + 46403344 = 200625^2 + 6812^2 .

It is a cyclic number.

It is not a de Polignac number, because 40296793969 - 2³ = 40296793961 is a prime.

It is a super-2 number, since 2×40296793969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40296793969.

It is not a weakly prime, because it can be changed into another prime (40296793961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20148396984 + 20148396985.

It is an arithmetic number, because the mean of its divisors is an integer number (20148396985).

Almost surely, 2^40296793969 is an apocalyptic number.

It is an amenable number.

40296793969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40296793969 is an equidigital number, since it uses as much as digits as its factorization.

40296793969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39680928, while the sum is 64.

The spelling of 40296793969 in words is "forty billion, two hundred ninety-six million, seven hundred ninety-three thousand, nine hundred sixty-nine".