61682455413 has 12 divisors (see below), whose sum is σ = 89435654880. Its totient is φ = 40965279336.

The previous prime is 61682455411. The next prime is 61682455423. The reversal of 61682455413 is 31455428616.

61682455413 is a `hidden beast` number, since 6 + 1 + 6 + 82 + 4 + 554 + 13 = 666.

It is not a de Polignac number, because 61682455413 - 2¹ = 61682455411 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61682455411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13027303 + ... + 13032036.

It is an arithmetic number, because the mean of its divisors is an integer number (7452971240).

Almost surely, 2^61682455413 is an apocalyptic number.

It is an amenable number.

61682455413 is a deficient number, since it is larger than the sum of its proper divisors (27753199467).

61682455413 is a wasteful number, since it uses less digits than its factorization.

61682455413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26059608 (or 26059605 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 61682455413 in words is "sixty-one billion, six hundred eighty-two million, four hundred fifty-five thousand, four hundred thirteen".