15409052952047 has 4 divisors (see below), whose sum is σ = 15409470725616. Its totient is φ = 15408635178480.

The previous prime is 15409052951989. The next prime is 15409052952127. The reversal of 15409052952047 is 74025925090451.

15409052952047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15409052952047 - 2¹⁸ = 15409052689903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15409052952047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15409052952547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208831454 + ... + 208905227.

It is an arithmetic number, because the mean of its divisors is an integer number (3852367681404).

Almost surely, 2^{15409052952047} is an apocalyptic number.

15409052952047 is a deficient number, since it is larger than the sum of its proper divisors (417773569).

15409052952047 is an equidigital number, since it uses as much as digits as its factorization.

15409052952047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417773568.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 15409052952047 in words is "fifteen trillion, four hundred nine billion, fifty-two million, nine hundred fifty-two thousand, forty-seven".