19325053994 has 8 divisors (see below), whose sum is σ = 30692732868. Its totient is φ = 9094143040.

The previous prime is 19325053987. The next prime is 19325053999. The reversal of 19325053994 is 49935052391.

It can be written as a sum of positive squares in 2 ways, for example, as 18137355625 + 1187698369 = 134675^2 + 34463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19325053999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284191937 + ... + 284192004.

Almost surely, 2^19325053994 is an apocalyptic number.

19325053994 is a deficient number, since it is larger than the sum of its proper divisors (11367678874).

19325053994 is a wasteful number, since it uses less digits than its factorization.

19325053994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568383960.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 19325053994 in words is "nineteen billion, three hundred twenty-five million, fifty-three thousand, nine hundred ninety-four".