19357163970 has 16 divisors (see below), whose sum is σ = 46457193600. Its totient is φ = 5161910384.

The previous prime is 19357163921. The next prime is 19357163971. The reversal of 19357163970 is 7936175391.

19357163970 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×19357163970² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19357163971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322619370 + ... + 322619429.

It is an arithmetic number, because the mean of its divisors is an integer number (2903574600).

Almost surely, 2^19357163970 is an apocalyptic number.

19357163970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19357163970 is an abundant number, since it is smaller than the sum of its proper divisors (27100029630).

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

19357163970 is a wasteful number, since it uses less digits than its factorization.

19357163970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645238809.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 19357163970 in words is "nineteen billion, three hundred fifty-seven million, one hundred sixty-three thousand, nine hundred seventy".