70637063699 has 2 divisors, whose sum is σ = 70637063700. Its totient is φ = 70637063698.

The previous prime is 70637063641. The next prime is 70637063741. The reversal of 70637063699 is 99636073607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70637063699 - 2²⁸ = 70368628243 is a prime.

It is not a weakly prime, because it can be changed into another prime (70637065699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35318531849 + 35318531850.

It is an arithmetic number, because the mean of its divisors is an integer number (35318531850).

Almost surely, 2^70637063699 is an apocalyptic number.

70637063699 is a deficient number, since it is larger than the sum of its proper divisors (1).

70637063699 is an equidigital number, since it uses as much as digits as its factorization.

70637063699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7715736, while the sum is 56.

The spelling of 70637063699 in words is "seventy billion, six hundred thirty-seven million, sixty-three thousand, six hundred ninety-nine".