70863718145 has 32 divisors (see below), whose sum is σ = 95441742720. Its totient is φ = 50072394240.

The previous prime is 70863718141. The next prime is 70863718157. The reversal of 70863718145 is 54181736807.

It is not a de Polignac number, because 70863718145 - 2² = 70863718141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70863718093 and 70863718102.

It is not an unprimeable number, because it can be changed into a prime (70863718141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137291 + ... + 400719.

It is an arithmetic number, because the mean of its divisors is an integer number (2982554460).

Almost surely, 2^70863718145 is an apocalyptic number.

It is an amenable number.

70863718145 is a deficient number, since it is larger than the sum of its proper divisors (24578024575).

70863718145 is a wasteful number, since it uses less digits than its factorization.

70863718145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263585.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 70863718145 in words is "seventy billion, eight hundred sixty-three million, seven hundred eighteen thousand, one hundred forty-five".