69655553138425 has 12 divisors (see below), whose sum is σ = 86375713454316. Its totient is φ = 55722618276800.

The previous prime is 69655553138407. The next prime is 69655553138477. The reversal of 69655553138425 is 52483135555696.

It can be written as a sum of positive squares in 6 ways, for example, as 17138631253689 + 52516921884736 = 4139883^2 + 7246856^2 .

It is a de Polignac number, because none of the positive numbers 2^k-69655553138425 is a prime.

It is a super-2 number, since 2×69655553138425² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44826646 + ... + 46354495.

It is an arithmetic number, because the mean of its divisors is an integer number (7197976121193).

Almost surely, 2^{69655553138425} is an apocalyptic number.

It is an amenable number.

69655553138425 is a deficient number, since it is larger than the sum of its proper divisors (16720160315891).

69655553138425 is a wasteful number, since it uses less digits than its factorization.

69655553138425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91211708 (or 91211703 counting only the distinct ones).

The product of its digits is 583200000, while the sum is 67.

The spelling of 69655553138425 in words is "sixty-nine trillion, six hundred fifty-five billion, five hundred fifty-three million, one hundred thirty-eight thousand, four hundred twenty-five".