19291009092 has 24 divisors (see below), whose sum is σ = 47381426400. Its totient is φ = 6091897536.

The previous prime is 19291009091. The next prime is 19291009093. The reversal of 19291009092 is 29090019291.

It is an interprime number because it is at equal distance from previous prime (19291009091) and next prime (19291009093).

It is not an unprimeable number, because it can be changed into a prime (19291009091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42304617 + ... + 42305072.

It is an arithmetic number, because the mean of its divisors is an integer number (1974226100).

Almost surely, 2^19291009092 is an apocalyptic number.

19291009092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19291009092 is an abundant number, since it is smaller than the sum of its proper divisors (28090417308).

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

19291009092 is a wasteful number, since it uses less digits than its factorization.

19291009092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84609715 (or 84609713 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 19291009092 in words is "nineteen billion, two hundred ninety-one million, nine thousand, ninety-two".