15250000493 has 8 divisors (see below), whose sum is σ = 18769231488. Its totient is φ = 12065934384.

The previous prime is 15250000393. The next prime is 15250000511. The reversal of 15250000493 is 39400005251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15250000493 - 2⁸ = 15250000237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250000393) 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, 83791121 + ... + 83791302.

It is an arithmetic number, because the mean of its divisors is an integer number (2346153936).

Almost surely, 2^15250000493 is an apocalyptic number.

15250000493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15250000493 is a deficient number, since it is larger than the sum of its proper divisors (3519230995).

15250000493 is a wasteful number, since it uses less digits than its factorization.

15250000493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167582443.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 15250000493 in words is "fifteen billion, two hundred fifty million, four hundred ninety-three", and thus it is an aban number.