19645596130 has 16 divisors (see below), whose sum is σ = 35409680064. Its totient is φ = 7847659120.

The previous prime is 19645596097. The next prime is 19645596149. The reversal of 19645596130 is 3169554691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314616 + ... + 1329475.

It is an arithmetic number, because the mean of its divisors is an integer number (2213105004).

Almost surely, 2^19645596130 is an apocalyptic number.

19645596130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19645596130 is a deficient number, since it is larger than the sum of its proper divisors (15764083934).

19645596130 is a wasteful number, since it uses less digits than its factorization.

19645596130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644841.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 19645596130 in words is "nineteen billion, six hundred forty-five million, five hundred ninety-six thousand, one hundred thirty".