61546038873 has 32 divisors (see below), whose sum is σ = 90078566400. Its totient is φ = 37069166400.

The previous prime is 61546038809. The next prime is 61546038929. The reversal of 61546038873 is 37883064516.

It is not a de Polignac number, because 61546038873 - 2⁶ = 61546038809 is a prime.

It is a super-2 number, since 2×61546038873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61546038803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4006818 + ... + 4022148.

It is an arithmetic number, because the mean of its divisors is an integer number (2814955200).

Almost surely, 2^61546038873 is an apocalyptic number.

It is an amenable number.

61546038873 is a deficient number, since it is larger than the sum of its proper divisors (28532527527).

61546038873 is a wasteful number, since it uses less digits than its factorization.

61546038873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16093.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 61546038873 in words is "sixty-one billion, five hundred forty-six million, thirty-eight thousand, eight hundred seventy-three".