70223903851 has 4 divisors (see below), whose sum is σ = 72489191104. Its totient is φ = 67958616600.

The previous prime is 70223903831. The next prime is 70223903857. The reversal of 70223903851 is 15830932207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70223903851 - 2⁵ = 70223903819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70223903857) 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, 1132643580 + ... + 1132643641.

It is an arithmetic number, because the mean of its divisors is an integer number (18122297776).

Almost surely, 2^70223903851 is an apocalyptic number.

70223903851 is a deficient number, since it is larger than the sum of its proper divisors (2265287253).

70223903851 is a wasteful number, since it uses less digits than its factorization.

70223903851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265287252.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 70223903851 in words is "seventy billion, two hundred twenty-three million, nine hundred three thousand, eight hundred fifty-one".