19848483690 has 64 divisors (see below), whose sum is σ = 54454650624. Its totient is φ = 4535705088.

The previous prime is 19848483679. The next prime is 19848483727. The reversal of 19848483690 is 9638484891.

It is a super-2 number, since 2×19848483690² (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 31 ways as a sum of consecutive naturals, for example, 1141542 + ... + 1158798.

It is an arithmetic number, because the mean of its divisors is an integer number (850853916).

Almost surely, 2^19848483690 is an apocalyptic number.

19848483690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19848483690 is an abundant number, since it is smaller than the sum of its proper divisors (34606166934).

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

19848483690 is a wasteful number, since it uses less digits than its factorization.

19848483690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751.

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 19848483690 in words is "nineteen billion, eight hundred forty-eight million, four hundred eighty-three thousand, six hundred ninety".