19332460561 has 4 divisors (see below), whose sum is σ = 19433677824. Its totient is φ = 19231243300.

The previous prime is 19332460519. The next prime is 19332460577. The reversal of 19332460561 is 16506423391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19332460561 - 2²³ = 19324071953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19332460361) 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, 50608345 + ... + 50608726.

It is an arithmetic number, because the mean of its divisors is an integer number (4858419456).

Almost surely, 2^19332460561 is an apocalyptic number.

It is an amenable number.

19332460561 is a deficient number, since it is larger than the sum of its proper divisors (101217263).

19332460561 is a wasteful number, since it uses less digits than its factorization.

19332460561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101217262.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 19332460561 in words is "nineteen billion, three hundred thirty-two million, four hundred sixty thousand, five hundred sixty-one".