18970130474 has 8 divisors (see below), whose sum is σ = 28736930628. Its totient is φ = 9391153600.

The previous prime is 18970130471. The next prime is 18970130503. The reversal of 18970130474 is 47403107981.

It can be written as a sum of positive squares in 2 ways, for example, as 18186410449 + 783720025 = 134857^2 + 27995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18970130471) 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, 46955567 + ... + 46955970.

Almost surely, 2^18970130474 is an apocalyptic number.

18970130474 is a deficient number, since it is larger than the sum of its proper divisors (9766800154).

18970130474 is a wasteful number, since it uses less digits than its factorization.

18970130474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93911640.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 18970130474 in words is "eighteen billion, nine hundred seventy million, one hundred thirty thousand, four hundred seventy-four".