69794770969 has 81 divisors (see below), whose sum is σ = 92447042751. Its totient is φ = 52499240640.

The previous prime is 69794770961. The next prime is 69794770973. The reversal of 69794770969 is 96907749796.

The square root of 69794770969 is 264187.

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

It can be written as a sum of positive squares in only one way, i.e., 39618912025 + 30175858944 = 199045^2 + 173712^2 .

It is not a de Polignac number, because 69794770969 - 2³ = 69794770961 is a prime.

It is a super-2 number, since 2×69794770969² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is not an unprimeable number, because it can be changed into a prime (69794770961) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 956092717 + ... + 956092789.

Almost surely, 2^69794770969 is an apocalyptic number.

69794770969 is the 264187-th square number.

69794770969 is the 132094-th centered octagonal number.

It is an amenable number.

69794770969 is a deficient number, since it is larger than the sum of its proper divisors (22652271782).

69794770969 is an equidigital number, since it uses as much as digits as its factorization.

69794770969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 324060912, while the sum is 73.

The spelling of 69794770969 in words is "sixty-nine billion, seven hundred ninety-four million, seven hundred seventy thousand, nine hundred sixty-nine".