69485985487131 has 4 divisors (see below), whose sum is σ = 92647980649512. Its totient is φ = 46323990324752.

The previous prime is 69485985487007. The next prime is 69485985487181. The reversal of 69485985487131 is 13178458958496.

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 69485985487131 - 2¹⁴ = 69485985470747 is a prime.

It is a super-2 number, since 2×69485985487131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69485985487181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11580997581186 + ... + 11580997581191.

It is an arithmetic number, because the mean of its divisors is an integer number (23161995162378).

Almost surely, 2^{69485985487131} is an apocalyptic number.

69485985487131 is a deficient number, since it is larger than the sum of its proper divisors (23161995162381).

69485985487131 is a wasteful number, since it uses less digits than its factorization.

69485985487131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23161995162380.

The product of its digits is 2090188800, while the sum is 78.

The spelling of 69485985487131 in words is "sixty-nine trillion, four hundred eighty-five billion, nine hundred eighty-five million, four hundred eighty-seven thousand, one hundred thirty-one".