19325920051 has 4 divisors (see below), whose sum is σ = 19331281552. Its totient is φ = 19320558552.

The previous prime is 19325920027. The next prime is 19325920067. The reversal of 19325920051 is 15002952391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19325920051 - 2⁹ = 19325919539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19325920001) 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, 2675340 + ... + 2682553.

It is an arithmetic number, because the mean of its divisors is an integer number (4832820388).

Almost surely, 2^19325920051 is an apocalyptic number.

19325920051 is a deficient number, since it is larger than the sum of its proper divisors (5361501).

19325920051 is an equidigital number, since it uses as much as digits as its factorization.

19325920051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361500.

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 19325920051 in words is "nineteen billion, three hundred twenty-five million, nine hundred twenty thousand, fifty-one".