19410989292 has 36 divisors (see below), whose sum is σ = 49073236576. Its totient is φ = 6469463520.

The previous prime is 19410989291. The next prime is 19410989363. The reversal of 19410989292 is 29298901491.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×19410989292² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19410989291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272733 + ... + 336459.

Almost surely, 2^19410989292 is an apocalyptic number.

19410989292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19410989292 is an abundant number, since it is smaller than the sum of its proper divisors (29662247284).

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

19410989292 is a wasteful number, since it uses less digits than its factorization.

19410989292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72198 (or 72193 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 19410989292 in words is "nineteen billion, four hundred ten million, nine hundred eighty-nine thousand, two hundred ninety-two".