19849835952 has 60 divisors (see below), whose sum is σ = 58475767480. Its totient is φ = 6268368384.

The previous prime is 19849835939. The next prime is 19849835989. The reversal of 19849835952 is 25953894891.

19849835952 is a `hidden beast` number, since 1 + 98 + 498 + 3 + 5 + 9 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19849835952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3624793 + ... + 3630264.

Almost surely, 2^19849835952 is an apocalyptic number.

19849835952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19849835952 is an abundant number, since it is smaller than the sum of its proper divisors (38625931528).

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

19849835952 is a wasteful number, since it uses less digits than its factorization.

19849835952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255090 (or 7255081 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The spelling of 19849835952 in words is "nineteen billion, eight hundred forty-nine million, eight hundred thirty-five thousand, nine hundred fifty-two".