15247858310949 has 64 divisors (see below), whose sum is σ = 23470289694720. Its totient is φ = 8708249088000.

The previous prime is 15247858310929. The next prime is 15247858310989. The reversal of 15247858310949 is 94901385874251.

It is not a de Polignac number, because 15247858310949 - 2⁹ = 15247858310437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15247858310949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15247858310929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104766069 + ... + 104911509.

It is an arithmetic number, because the mean of its divisors is an integer number (366723276480).

Almost surely, 2^{15247858310949} is an apocalyptic number.

15247858310949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15247858310949 is a deficient number, since it is larger than the sum of its proper divisors (8222431383771).

15247858310949 is a wasteful number, since it uses less digits than its factorization.

15247858310949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146362.

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 15247858310949 in words is "fifteen trillion, two hundred forty-seven billion, eight hundred fifty-eight million, three hundred ten thousand, nine hundred forty-nine".