61292935939491 has 12 divisors (see below), whose sum is σ = 88540973102400. Its totient is φ = 40858850077200.

The previous prime is 61292935939471. The next prime is 61292935939603. The reversal of 61292935939491 is 19493953929216.

61292935939491 is a `hidden beast` number, since 6 + 1 + 2 + 9 + 29 + 3 + 593 + 9 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 61292935939491 - 2³⁰ = 61291862197667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61292935939421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258809716 + ... + 259046433.

It is an arithmetic number, because the mean of its divisors is an integer number (7378414425200).

Almost surely, 2^{61292935939491} is an apocalyptic number.

61292935939491 is a deficient number, since it is larger than the sum of its proper divisors (27248037162909).

61292935939491 is a wasteful number, since it uses less digits than its factorization.

61292935939491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517869306 (or 517869303 counting only the distinct ones).

The product of its digits is 255091680, while the sum is 72.

The spelling of 61292935939491 in words is "sixty-one trillion, two hundred ninety-two billion, nine hundred thirty-five million, nine hundred thirty-nine thousand, four hundred ninety-one".