42796615651 has 2 divisors, whose sum is σ = 42796615652. Its totient is φ = 42796615650.

The previous prime is 42796615627. The next prime is 42796615679. The reversal of 42796615651 is 15651669724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42796615651 - 2⁷ = 42796615523 is a prime.

It is a super-2 number, since 2×42796615651² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42796615681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21398307825 + 21398307826.

It is an arithmetic number, because the mean of its divisors is an integer number (21398307826).

Almost surely, 2^42796615651 is an apocalyptic number.

42796615651 is a deficient number, since it is larger than the sum of its proper divisors (1).

42796615651 is an equidigital number, since it uses as much as digits as its factorization.

42796615651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 52.

The spelling of 42796615651 in words is "forty-two billion, seven hundred ninety-six million, six hundred fifteen thousand, six hundred fifty-one".