19056145936 has 15 divisors (see below), whose sum is σ = 36922352623. Its totient is φ = 9527796880.

The previous prime is 19056145883. The next prime is 19056145951. The reversal of 19056145936 is 63954165091.

The square root of 19056145936 is 138044.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19056145936.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 534921 + ... + 569431.

Almost surely, 2^19056145936 is an apocalyptic number.

19056145936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19056145936 is the 138044-th square number.

It is an amenable number.

19056145936 is a deficient number, since it is larger than the sum of its proper divisors (17866206687).

19056145936 is an frugal number, since it uses more digits than its factorization.

19056145936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69030 (or 34513 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 49.

Multiplying 19056145936 by its sum of digits (49), we get a square (933751150864 = 966308²).

The spelling of 19056145936 in words is "nineteen billion, fifty-six million, one hundred forty-five thousand, nine hundred thirty-six".