19890928150 has 24 divisors (see below), whose sum is σ = 37003011120. Its totient is φ = 7955105760.

The previous prime is 19890928147. The next prime is 19890928177. The reversal of 19890928150 is 5182909891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325852 + ... + 382048.

It is an arithmetic number, because the mean of its divisors is an integer number (1541792130).

Almost surely, 2^19890928150 is an apocalyptic number.

19890928150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19890928150 is a deficient number, since it is larger than the sum of its proper divisors (17112082970).

19890928150 is a wasteful number, since it uses less digits than its factorization.

19890928150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288 (or 63283 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 52.

The spelling of 19890928150 in words is "nineteen billion, eight hundred ninety million, nine hundred twenty-eight thousand, one hundred fifty".