61084058913 has 6 divisors (see below), whose sum is σ = 88232529554. Its totient is φ = 40722705936.

The previous prime is 61084058897. The next prime is 61084058939. The reversal of 61084058913 is 31985048016.

61084058913 is a `hidden beast` number, since 6 + 10 + 8 + 40 + 589 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41727458529 + 19356600384 = 204273^2 + 139128^2 .

It is not a de Polignac number, because 61084058913 - 2⁴ = 61084058897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61084058953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3393558820 + ... + 3393558837.

Almost surely, 2^61084058913 is an apocalyptic number.

It is an amenable number.

61084058913 is a deficient number, since it is larger than the sum of its proper divisors (27148470641).

61084058913 is a wasteful number, since it uses less digits than its factorization.

61084058913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787117663 (or 6787117660 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 61084058913 in words is "sixty-one billion, eighty-four million, fifty-eight thousand, nine hundred thirteen".