18970845316 has 6 divisors (see below), whose sum is σ = 33198979310. Its totient is φ = 9485422656.

The previous prime is 18970845301. The next prime is 18970845337. The reversal of 18970845316 is 61354807981.

It can be written as a sum of positive squares in only one way, i.e., 11469553216 + 7501292100 = 107096^2 + 86610^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371355661 + ... + 2371355668.

Almost surely, 2^18970845316 is an apocalyptic number.

It is an amenable number.

18970845316 is a deficient number, since it is larger than the sum of its proper divisors (14228133994).

18970845316 is a wasteful number, since it uses less digits than its factorization.

18970845316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742711333 (or 4742711331 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 18970845316 in words is "eighteen billion, nine hundred seventy million, eight hundred forty-five thousand, three hundred sixteen".