69295824081 has 45 divisors (see below), whose sum is σ = 113824839513. Its totient is φ = 41981674680.

The previous prime is 69295824071. The next prime is 69295824089. The reversal of 69295824081 is 18042859296.

It is a happy number.

The square root of 69295824081 is 263241.

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

It is a de Polignac number, because none of the positive numbers 2^k-69295824081 is a prime.

It is a super-2 number, since 2×69295824081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69295824089) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 26059530 + ... + 26062188.

Almost surely, 2^69295824081 is an apocalyptic number.

69295824081 is the 263241-st square number.

69295824081 is the 131621-st centered octagonal number.

It is an amenable number.

69295824081 is a deficient number, since it is larger than the sum of its proper divisors (44529015432).

69295824081 is an frugal number, since it uses more digits than its factorization.

69295824081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 69295824081 in words is "sixty-nine billion, two hundred ninety-five million, eight hundred twenty-four thousand, eighty-one".