42696629813 has 2 divisors, whose sum is σ = 42696629814. Its totient is φ = 42696629812.

The previous prime is 42696629783. The next prime is 42696629821. The reversal of 42696629813 is 31892669624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28906120324 + 13790509489 = 170018^2 + 117433^2 .

It is a cyclic number.

It is not a de Polignac number, because 42696629813 - 2³⁴ = 25516760629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42696629863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21348314906 + 21348314907.

It is an arithmetic number, because the mean of its divisors is an integer number (21348314907).

Almost surely, 2^42696629813 is an apocalyptic number.

It is an amenable number.

42696629813 is a deficient number, since it is larger than the sum of its proper divisors (1).

42696629813 is an equidigital number, since it uses as much as digits as its factorization.

42696629813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 56.

The spelling of 42696629813 in words is "forty-two billion, six hundred ninety-six million, six hundred twenty-nine thousand, eight hundred thirteen".