19346048512 has 160 divisors (see below), whose sum is σ = 47350397952. Its totient is φ = 7715119104.

The previous prime is 19346048479. The next prime is 19346048537. The reversal of 19346048512 is 21584064391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046813 + ... + 3053155.

Almost surely, 2^19346048512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19346048512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23675198976).

19346048512 is an abundant number, since it is smaller than the sum of its proper divisors (28004349440).

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

19346048512 is an equidigital number, since it uses as much as digits as its factorization.

19346048512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 19346048512 in words is "nineteen billion, three hundred forty-six million, forty-eight thousand, five hundred twelve".