19612295993690 has 32 divisors (see below), whose sum is σ = 36123857573760. Its totient is φ = 7662320414784.

The previous prime is 19612295993659. The next prime is 19612295993737. The reversal of 19612295993690 is 9639959221691.

It is a super-2 number, since 2×19612295993690² (a number of 27 digits) contains 22 as substring.

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, 21608756 + ... + 22498064.

It is an arithmetic number, because the mean of its divisors is an integer number (1128870549180).

Almost surely, 2^{19612295993690} is an apocalyptic number.

19612295993690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19612295993690 is a deficient number, since it is larger than the sum of its proper divisors (16511561580070).

19612295993690 is a wasteful number, since it uses less digits than its factorization.

19612295993690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940646.

The product of its (nonzero) digits is 127545840, while the sum is 71.

The spelling of 19612295993690 in words is "nineteen trillion, six hundred twelve billion, two hundred ninety-five million, nine hundred ninety-three thousand, six hundred ninety".