70597806989 has 2 divisors, whose sum is σ = 70597806990. Its totient is φ = 70597806988.

The previous prime is 70597806947. The next prime is 70597807051. The reversal of 70597806989 is 98960879507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62265220900 + 8332586089 = 249530^2 + 91283^2 .

It is a cyclic number.

It is not a de Polignac number, because 70597806989 - 2²⁰ = 70596758413 is a prime.

It is a super-2 number, since 2×70597806989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70597806089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35298903494 + 35298903495.

It is an arithmetic number, because the mean of its divisors is an integer number (35298903495).

Almost surely, 2^70597806989 is an apocalyptic number.

It is an amenable number.

70597806989 is a deficient number, since it is larger than the sum of its proper divisors (1).

70597806989 is an equidigital number, since it uses as much as digits as its factorization.

70597806989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 68.

The spelling of 70597806989 in words is "seventy billion, five hundred ninety-seven million, eight hundred six thousand, nine hundred eighty-nine".