19353426064 has 40 divisors (see below), whose sum is σ = 43370349120. Its totient is φ = 8194389888.

The previous prime is 19353426031. The next prime is 19353426073. The reversal of 19353426064 is 46062435391.

It is a self number, because there is not a number n which added to its sum of digits gives 19353426064.

It is an unprimeable number.

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, 1031659 + ... + 1050250.

It is an arithmetic number, because the mean of its divisors is an integer number (1084258728).

Almost surely, 2^19353426064 is an apocalyptic number.

19353426064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19353426064 is an abundant number, since it is smaller than the sum of its proper divisors (24016923056).

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

19353426064 is a wasteful number, since it uses less digits than its factorization.

19353426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082007 (or 2082001 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 19353426064 in words is "nineteen billion, three hundred fifty-three million, four hundred twenty-six thousand, sixty-four".