19424958896 has 20 divisors (see below), whose sum is σ = 43012409232. Its totient is φ = 8324982336.

The previous prime is 19424958881. The next prime is 19424958911. The reversal of 19424958896 is 69885942491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19424958881) and next prime (19424958911).

It is a super-2 number, since 2×19424958896² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86718455 + ... + 86718678.

Almost surely, 2^19424958896 is an apocalyptic number.

19424958896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19424958896 is an abundant number, since it is smaller than the sum of its proper divisors (23587450336).

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

19424958896 is a wasteful number, since it uses less digits than its factorization.

19424958896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173437148 (or 173437142 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 65.

The spelling of 19424958896 in words is "nineteen billion, four hundred twenty-four million, nine hundred fifty-eight thousand, eight hundred ninety-six".