19028927900 has 36 divisors (see below), whose sum is σ = 43721764128. Its totient is φ = 7163831040.

The previous prime is 19028927791. The next prime is 19028927903. The reversal of 19028927900 is 972982091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19028927903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5595044 + ... + 5598443.

It is an arithmetic number, because the mean of its divisors is an integer number (1214493448).

Almost surely, 2^19028927900 is an apocalyptic number.

19028927900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19028927900 is an abundant number, since it is smaller than the sum of its proper divisors (24692836228).

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

19028927900 is a wasteful number, since it uses less digits than its factorization.

19028927900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193518 (or 11193511 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 19028927900 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, nine hundred".