69138175616657 has 4 divisors (see below), whose sum is σ = 79015057847616. Its totient is φ = 59261293385700.

The previous prime is 69138175616651. The next prime is 69138175616659. The reversal of 69138175616657 is 75661657183196.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 69138175616657 - 2⁴ = 69138175616641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69138175616651) 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, 4938441115469 + ... + 4938441115482.

It is an arithmetic number, because the mean of its divisors is an integer number (19753764461904).

Almost surely, 2^{69138175616657} is an apocalyptic number.

It is an amenable number.

69138175616657 is a deficient number, since it is larger than the sum of its proper divisors (9876882230959).

69138175616657 is an equidigital number, since it uses as much as digits as its factorization.

69138175616657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876882230958.

The product of its digits is 342921600, while the sum is 71.

The spelling of 69138175616657 in words is "sixty-nine trillion, one hundred thirty-eight billion, one hundred seventy-five million, six hundred sixteen thousand, six hundred fifty-seven".