19848591022 has 64 divisors (see below), whose sum is σ = 33370444800. Its totient is φ = 8794880640.

The previous prime is 19848591013. The next prime is 19848591101. The reversal of 19848591022 is 22019584891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30118929 + ... + 30119587.

It is an arithmetic number, because the mean of its divisors is an integer number (521413200).

Almost surely, 2^19848591022 is an apocalyptic number.

19848591022 is a deficient number, since it is larger than the sum of its proper divisors (13521853778).

19848591022 is a wasteful number, since it uses less digits than its factorization.

19848591022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 19848591022 in words is "nineteen billion, eight hundred forty-eight million, five hundred ninety-one thousand, twenty-two".