70657534450 has 24 divisors (see below), whose sum is σ = 131471008308. Its totient is φ = 28252692480.

The previous prime is 70657534447. The next prime is 70657534487. The reversal of 70657534450 is 5443575607.

It can be written as a sum of positive squares in 6 ways, for example, as 41114456289 + 29543078161 = 202767^2 + 171881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70657534450.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 119007 + ... + 394306.

Almost surely, 2^70657534450 is an apocalyptic number.

70657534450 is a deficient number, since it is larger than the sum of its proper divisors (60813473858).

70657534450 is a wasteful number, since it uses less digits than its factorization.

70657534450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516078 (or 516073 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 70657534450 in words is "seventy billion, six hundred fifty-seven million, five hundred thirty-four thousand, four hundred fifty".