69695398061 has 4 divisors (see below), whose sum is σ = 69695966172. Its totient is φ = 69694829952.

The previous prime is 69695397971. The next prime is 69695398079. The reversal of 69695398061 is 16089359696.

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 2 ways, for example, as 50514810025 + 19180588036 = 224755^2 + 138494^2 .

It is a cyclic number.

It is not a de Polignac number, because 69695398061 - 2³⁰ = 68621656237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69695397985 and 69695398003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69695395061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15236 + ... + 373661.

It is an arithmetic number, because the mean of its divisors is an integer number (17423991543).

Almost surely, 2^69695398061 is an apocalyptic number.

It is an amenable number.

69695398061 is a deficient number, since it is larger than the sum of its proper divisors (568111).

69695398061 is a wasteful number, since it uses less digits than its factorization.

69695398061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568110.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 69695398061 in words is "sixty-nine billion, six hundred ninety-five million, three hundred ninety-eight thousand, sixty-one".