18969769898070 has 32 divisors (see below), whose sum is σ = 46586225613312. Its totient is φ = 4940963321952.

The previous prime is 18969769898059. The next prime is 18969769898111. The reversal of 18969769898070 is 7089896796981.

It is a congruent number.

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, 7352622702 + ... + 7352625281.

It is an arithmetic number, because the mean of its divisors is an integer number (1455819550416).

Almost surely, 2^{18969769898070} is an apocalyptic number.

18969769898070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18969769898070 is an abundant number, since it is smaller than the sum of its proper divisors (27616455715242).

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

18969769898070 is a wasteful number, since it uses less digits than its factorization.

18969769898070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14705248036.

The product of its (nonzero) digits is 5925685248, while the sum is 87.

The spelling of 18969769898070 in words is "eighteen trillion, nine hundred sixty-nine billion, seven hundred sixty-nine million, eight hundred ninety-eight thousand, seventy".