18970570476 has 288 divisors, whose sum is σ = 59915261952. Its totient is φ = 4978321920.

The previous prime is 18970570447. The next prime is 18970570483. The reversal of 18970570476 is 67407507981.

18970570476 is a `hidden beast` number, since 18 + 97 + 0 + 5 + 70 + 476 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6273901 + ... + 6276923.

It is an arithmetic number, because the mean of its divisors is an integer number (208039104).

Almost surely, 2^18970570476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18970570476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29957630976).

18970570476 is an abundant number, since it is smaller than the sum of its proper divisors (40944691476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18970570476 is a wasteful number, since it uses less digits than its factorization.

18970570476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 18970570476 in words is "eighteen billion, nine hundred seventy million, five hundred seventy thousand, four hundred seventy-six".