70989375097 has 2 divisors, whose sum is σ = 70989375098. Its totient is φ = 70989375096.

The previous prime is 70989375049. The next prime is 70989375103. The reversal of 70989375097 is 79057398907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70917820416 + 71554681 = 266304^2 + 8459^2 .

It is a cyclic number.

It is not a de Polignac number, because 70989375097 - 2⁷ = 70989374969 is a prime.

It is not a weakly prime, because it can be changed into another prime (70989375397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35494687548 + 35494687549.

It is an arithmetic number, because the mean of its divisors is an integer number (35494687549).

Almost surely, 2^70989375097 is an apocalyptic number.

It is an amenable number.

70989375097 is a deficient number, since it is larger than the sum of its proper divisors (1).

70989375097 is an equidigital number, since it uses as much as digits as its factorization.

70989375097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30005640, while the sum is 64.

The spelling of 70989375097 in words is "seventy billion, nine hundred eighty-nine million, three hundred seventy-five thousand, ninety-seven".