19752294416 has 20 divisors (see below), whose sum is σ = 38285849772. Its totient is φ = 9872075136.

The previous prime is 19752294389. The next prime is 19752294427. The reversal of 19752294416 is 61449225791.

It can be written as a sum of positive squares in 2 ways, for example, as 18660652816 + 1091641600 = 136604^2 + 33040^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214295 + ... + 292278.

Almost surely, 2^19752294416 is an apocalyptic number.

19752294416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19752294416 is a deficient number, since it is larger than the sum of its proper divisors (18533555356).

19752294416 is a wasteful number, since it uses less digits than its factorization.

19752294416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509018 (or 509012 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 19752294416 in words is "nineteen billion, seven hundred fifty-two million, two hundred ninety-four thousand, four hundred sixteen".