19646464602 has 16 divisors (see below), whose sum is σ = 39298253472. Its totient is φ = 6547934160.

The previous prime is 19646464601. The next prime is 19646464627. The reversal of 19646464602 is 20646464691.

It is not an unprimeable number, because it can be changed into a prime (19646464601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173049 + ... + 263132.

It is an arithmetic number, because the mean of its divisors is an integer number (2456140842).

Almost surely, 2^19646464602 is an apocalyptic number.

19646464602 is an abundant number, since it is smaller than the sum of its proper divisors (19651788870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19646464602 is a wasteful number, since it uses less digits than its factorization.

19646464602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443693.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 19646464602 in words is "nineteen billion, six hundred forty-six million, four hundred sixty-four thousand, six hundred two".