15373989000 has 256 divisors, whose sum is σ = 53778816000. Its totient is φ = 4062643200.

The previous prime is 15373988983. The next prime is 15373989011. The reversal of 15373989000 is 98937351.

It is a happy number.

15373989000 is a `hidden beast` number, since 1 + 537 + 39 + 89 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3048481 + ... + 3053519.

It is an arithmetic number, because the mean of its divisors is an integer number (210073500).

Almost surely, 2^15373989000 is an apocalyptic number.

15373989000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15373989000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26889408000).

15373989000 is an abundant number, since it is smaller than the sum of its proper divisors (38404827000).

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

15373989000 is a wasteful number, since it uses less digits than its factorization.

15373989000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5162 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 15373989000 in words is "fifteen billion, three hundred seventy-three million, nine hundred eighty-nine thousand".