70240013889 has 4 divisors (see below), whose sum is σ = 93653351856. Its totient is φ = 46826675924.

The previous prime is 70240013887. The next prime is 70240013923. The reversal of 70240013889 is 98831004207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70240013889 - 2¹ = 70240013887 is a prime.

It is a super-2 number, since 2×70240013889² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70240013889.

It is not an unprimeable number, because it can be changed into a prime (70240013887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11706668979 + ... + 11706668984.

It is an arithmetic number, because the mean of its divisors is an integer number (23413337964).

Almost surely, 2^70240013889 is an apocalyptic number.

It is an amenable number.

70240013889 is a deficient number, since it is larger than the sum of its proper divisors (23413337967).

70240013889 is a wasteful number, since it uses less digits than its factorization.

70240013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23413337966.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 70240013889 in words is "seventy billion, two hundred forty million, thirteen thousand, eight hundred eighty-nine".