70259870258 has 4 divisors (see below), whose sum is σ = 105389805390. Its totient is φ = 35129935128.

The previous prime is 70259870251. The next prime is 70259870273. The reversal of 70259870258 is 85207895207.

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 only one way, i.e., 61977596209 + 8282274049 = 248953^2 + 91007^2 .

It is not an unprimeable number, because it can be changed into a prime (70259870251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17564967563 + ... + 17564967566.

Almost surely, 2^70259870258 is an apocalyptic number.

70259870258 is a deficient number, since it is larger than the sum of its proper divisors (35129935132).

70259870258 is a wasteful number, since it uses less digits than its factorization.

70259870258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35129935131.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 70259870258 in words is "seventy billion, two hundred fifty-nine million, eight hundred seventy thousand, two hundred fifty-eight".