61479349461 has 16 divisors (see below), whose sum is σ = 91916123200. Its totient is φ = 40610210544.

The previous prime is 61479349433. The next prime is 61479349471. The reversal of 61479349461 is 16494397416.

61479349461 is a `hidden beast` number, since 6 + 1 + 4 + 7 + 93 + 494 + 61 = 666.

61479349461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61479349461 - 2²³ = 61470960853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61479349398 and 61479349407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61479349411) 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, 10442071 + ... + 10447956.

It is an arithmetic number, because the mean of its divisors is an integer number (5744757700).

Almost surely, 2^61479349461 is an apocalyptic number.

It is an amenable number.

61479349461 is a deficient number, since it is larger than the sum of its proper divisors (30436773739).

61479349461 is a wasteful number, since it uses less digits than its factorization.

61479349461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890145 (or 20890139 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 61479349461 in words is "sixty-one billion, four hundred seventy-nine million, three hundred forty-nine thousand, four hundred sixty-one".