70690595137 has 4 divisors (see below), whose sum is σ = 72414756036. Its totient is φ = 68966434240.

The previous prime is 70690595099. The next prime is 70690595177. The reversal of 70690595137 is 73159509607.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1126005136 + 69564590001 = 33556^2 + 263751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70690595137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70690595177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862080388 + ... + 862080469.

It is an arithmetic number, because the mean of its divisors is an integer number (18103689009).

Almost surely, 2^70690595137 is an apocalyptic number.

It is an amenable number.

70690595137 is a deficient number, since it is larger than the sum of its proper divisors (1724160899).

70690595137 is a wasteful number, since it uses less digits than its factorization.

70690595137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724160898.

The product of its (nonzero) digits is 1786050, while the sum is 52.

The spelling of 70690595137 in words is "seventy billion, six hundred ninety million, five hundred ninety-five thousand, one hundred thirty-seven".