61418191413 has 16 divisors (see below), whose sum is σ = 86715346176. Its totient is φ = 38533655040.

The previous prime is 61418191327. The next prime is 61418191421. The reversal of 61418191413 is 31419181416.

It is not a de Polignac number, because 61418191413 - 2⁸ = 61418191157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61418191613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655345 + ... + 743177.

It is an arithmetic number, because the mean of its divisors is an integer number (5419709136).

Almost surely, 2^61418191413 is an apocalyptic number.

It is an amenable number.

61418191413 is a deficient number, since it is larger than the sum of its proper divisors (25297154763).

61418191413 is a wasteful number, since it uses less digits than its factorization.

61418191413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101564.

The product of its digits is 20736, while the sum is 39.

The spelling of 61418191413 in words is "sixty-one billion, four hundred eighteen million, one hundred ninety-one thousand, four hundred thirteen".