9952138570 has 32 divisors (see below), whose sum is σ = 19550859840. Its totient is φ = 3617389440.

The previous prime is 9952138561. The next prime is 9952138583. The reversal of 9952138570 is 758312599.

9952138570 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252094 + ... + 288886.

It is an arithmetic number, because the mean of its divisors is an integer number (610964370).

Almost surely, 2^9952138570 is an apocalyptic number.

9952138570 is a deficient number, since it is larger than the sum of its proper divisors (9598721270).

9952138570 is a wasteful number, since it uses less digits than its factorization.

9952138570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39270.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 9952138570 is about 99760.4058231521. The cubic root of 9952138570 is about 2150.9920476799.

The spelling of 9952138570 in words is "nine billion, nine hundred fifty-two million, one hundred thirty-eight thousand, five hundred seventy".