19697996370 has 32 divisors (see below), whose sum is σ = 50911745472. Its totient is φ = 4848737472.

The previous prime is 19697996341. The next prime is 19697996389. The reversal of 19697996370 is 7369979691.

It is a super-2 number, since 2×19697996370² (a number of 21 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, 25253452 + ... + 25254231.

It is an arithmetic number, because the mean of its divisors is an integer number (1590992046).

Almost surely, 2^19697996370 is an apocalyptic number.

19697996370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19697996370 is an abundant number, since it is smaller than the sum of its proper divisors (31213749102).

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

19697996370 is a wasteful number, since it uses less digits than its factorization.

19697996370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50507706.

The product of its (nonzero) digits is 34720812, while the sum is 66.

The spelling of 19697996370 in words is "nineteen billion, six hundred ninety-seven million, nine hundred ninety-six thousand, three hundred seventy".