19359470064 has 40 divisors (see below), whose sum is σ = 54558508032. Its totient is φ = 5866505920.

The previous prime is 19359470051. The next prime is 19359470099. The reversal of 19359470064 is 46007495391.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19359469995 and 19359470022.

It is a congruent number.

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, 18332304 + ... + 18333359.

Almost surely, 2^19359470064 is an apocalyptic number.

It is an amenable number.

19359470064 is an abundant number, since it is smaller than the sum of its proper divisors (35199037968).

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

19359470064 is a wasteful number, since it uses less digits than its factorization.

19359470064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36665685 (or 36665679 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 19359470064 in words is "nineteen billion, three hundred fifty-nine million, four hundred seventy thousand, sixty-four".