13569490552497 has 8 divisors (see below), whose sum is σ = 19737440803680. Its totient is φ = 8223933668160.

The previous prime is 13569490552493. The next prime is 13569490552531. The reversal of 13569490552497 is 79425509496531.

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

It is not a de Polignac number, because 13569490552497 - 2² = 13569490552493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13569490552493) 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, 205598341672 + ... + 205598341737.

It is an arithmetic number, because the mean of its divisors is an integer number (2467180100460).

Almost surely, 2^{13569490552497} is an apocalyptic number.

It is an amenable number.

13569490552497 is a deficient number, since it is larger than the sum of its proper divisors (6167950251183).

13569490552497 is a wasteful number, since it uses less digits than its factorization.

13569490552497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411196683423.

The product of its (nonzero) digits is 367416000, while the sum is 69.

The spelling of 13569490552497 in words is "thirteen trillion, five hundred sixty-nine billion, four hundred ninety million, five hundred fifty-two thousand, four hundred ninety-seven".