19398002928 has 40 divisors (see below), whose sum is σ = 50933015376. Its totient is φ = 6360000000.

The previous prime is 19398002927. The next prime is 19398002933. The reversal of 19398002928 is 82920089391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19398002927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3309573 + ... + 3315428.

Almost surely, 2^19398002928 is an apocalyptic number.

It is an amenable number.

19398002928 is an abundant number, since it is smaller than the sum of its proper divisors (31535012448).

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

19398002928 is a wasteful number, since it uses less digits than its factorization.

19398002928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625073 (or 6625067 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 19398002928 in words is "nineteen billion, three hundred ninety-eight million, two thousand, nine hundred twenty-eight".