19496580445 has 16 divisors (see below), whose sum is σ = 23452416000. Its totient is φ = 15559636608.

The previous prime is 19496580443. The next prime is 19496580451. The reversal of 19496580445 is 54408569491.

It is a cyclic number.

It is not a de Polignac number, because 19496580445 - 2¹ = 19496580443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19496580443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200436 + ... + 4205074.

It is an arithmetic number, because the mean of its divisors is an integer number (1465776000).

Almost surely, 2^19496580445 is an apocalyptic number.

It is an amenable number.

19496580445 is a deficient number, since it is larger than the sum of its proper divisors (3955835555).

19496580445 is a wasteful number, since it uses less digits than its factorization.

19496580445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 19496580445 in words is "nineteen billion, four hundred ninety-six million, five hundred eighty thousand, four hundred forty-five".