69235928980969 has 3 divisors (see below), whose sum is σ = 69235937301783. Its totient is φ = 69235920660156.

The previous prime is 69235928980913. The next prime is 69235928980991. The reversal of 69235928980969 is 96908982953296.

The square root of 69235928980969 is 8320813.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 65911097659225 + 3324831321744 = 8118565^2 + 1823412^2 .

It is not a de Polignac number, because 69235928980969 - 2¹⁵ = 69235928948201 is a prime.

It is a super-2 number, since 2×69235928980969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69235928980369) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4160407 + ... + 12481219.

It is an arithmetic number, because the mean of its divisors is an integer number (23078645767261).

Almost surely, 2^{69235928980969} is an apocalyptic number.

69235928980969 is the 8320813-rd square number.

69235928980969 is the 4160407-th centered octagonal number.

It is an amenable number.

69235928980969 is a deficient number, since it is larger than the sum of its proper divisors (8320814).

69235928980969 is an frugal number, since it uses more digits than its factorization.

69235928980969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16641626 (or 8320813 counting only the distinct ones).

The product of its (nonzero) digits is 8162933760, while the sum is 85.

The spelling of 69235928980969 in words is "sixty-nine trillion, two hundred thirty-five billion, nine hundred twenty-eight million, nine hundred eighty thousand, nine hundred sixty-nine".