15693073984 has 63 divisors (see below), whose sum is σ = 36241380273. Its totient is φ = 6722596608.

The previous prime is 15693073969. The next prime is 15693074003. The reversal of 15693073984 is 48937039651.

The square root of 15693073984 is 125272.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12481358400 + 3211715584 = 111720^2 + 56672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7014114 + ... + 7016350.

Almost surely, 2^15693073984 is an apocalyptic number.

15693073984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15693073984 is the 125272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15693073984

15693073984 is an abundant number, since it is smaller than the sum of its proper divisors (20548306289).

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

15693073984 is an frugal number, since it uses more digits than its factorization.

15693073984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 15693073984 in words is "fifteen billion, six hundred ninety-three million, seventy-three thousand, nine hundred eighty-four".