61697292692319 has 24 divisors (see below), whose sum is σ = 89989276507520. Its totient is φ = 40729595623632.

The previous prime is 61697292692317. The next prime is 61697292692327. The reversal of 61697292692319 is 91329629279616.

61697292692319 is a `hidden beast` number, since 6 + 1 + 69 + 72 + 9 + 269 + 231 + 9 = 666.

It is not a de Polignac number, because 61697292692319 - 2¹ = 61697292692317 is a prime.

It is a super-2 number, since 2×61697292692319² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61697292692317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12475692 + ... + 16704414.

Almost surely, 2^{61697292692319} is an apocalyptic number.

61697292692319 is a deficient number, since it is larger than the sum of its proper divisors (28291983815201).

61697292692319 is a wasteful number, since it uses less digits than its factorization.

61697292692319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244571 (or 4244568 counting only the distinct ones).

The product of its digits is 238085568, while the sum is 72.

The spelling of 61697292692319 in words is "sixty-one trillion, six hundred ninety-seven billion, two hundred ninety-two million, six hundred ninety-two thousand, three hundred nineteen".