19420309150 has 24 divisors (see below), whose sum is σ = 39405573864. Its totient is φ = 7061930400.

The previous prime is 19420309147. The next prime is 19420309211. The reversal of 19420309150 is 5190302491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17654277 + ... + 17655376.

It is an arithmetic number, because the mean of its divisors is an integer number (1641898911).

Almost surely, 2^19420309150 is an apocalyptic number.

19420309150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19420309150 is an abundant number, since it is smaller than the sum of its proper divisors (19985264714).

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

19420309150 is a wasteful number, since it uses less digits than its factorization.

19420309150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35309676 (or 35309671 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 19420309150 in words is "nineteen billion, four hundred twenty million, three hundred nine thousand, one hundred fifty".