70909988432 has 20 divisors (see below), whose sum is σ = 137741297460. Its totient is φ = 35363847168.

The previous prime is 70909988431. The next prime is 70909988437. The reversal of 70909988432 is 23488990907.

It can be written as a sum of positive squares in 2 ways, for example, as 13461568576 + 57448419856 = 116024^2 + 239684^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70909988431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5690273 + ... + 5702720.

It is an arithmetic number, because the mean of its divisors is an integer number (6887064873).

Almost surely, 2^70909988432 is an apocalyptic number.

It is an amenable number.

70909988432 is a deficient number, since it is larger than the sum of its proper divisors (66831309028).

70909988432 is a wasteful number, since it uses less digits than its factorization.

70909988432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11393390 (or 11393384 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 70909988432 in words is "seventy billion, nine hundred nine million, nine hundred eighty-eight thousand, four hundred thirty-two".