19008934620 has 48 divisors (see below), whose sum is σ = 57319251360. Its totient is φ = 4679122176.

The previous prime is 19008934613. The next prime is 19008934649. The reversal of 19008934620 is 2643980091.

It is a super-2 number, since 2×19008934620² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12184435 + ... + 12185994.

It is an arithmetic number, because the mean of its divisors is an integer number (1194151070).

Almost surely, 2^19008934620 is an apocalyptic number.

19008934620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19008934620 is an abundant number, since it is smaller than the sum of its proper divisors (38310316740).

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

19008934620 is a wasteful number, since it uses less digits than its factorization.

19008934620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24370454 (or 24370452 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 19008934620 in words is "nineteen billion, eight million, nine hundred thirty-four thousand, six hundred twenty".