61330824480921 has 16 divisors (see below), whose sum is σ = 85330038672384. Its totient is φ = 39109421468304.

The previous prime is 61330824480901. The next prime is 61330824480931. The reversal of 61330824480921 is 12908442803316.

It is not a de Polignac number, because 61330824480921 - 2¹⁴ = 61330824464537 is a prime.

It is a super-2 number, since 2×61330824480921² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61330824480901) 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, 42769260 + ... + 44179986.

It is an arithmetic number, because the mean of its divisors is an integer number (5333127417024).

Almost surely, 2^{61330824480921} is an apocalyptic number.

It is an amenable number.

61330824480921 is a deficient number, since it is larger than the sum of its proper divisors (23999214191463).

61330824480921 is a wasteful number, since it uses less digits than its factorization.

61330824480921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040820.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 61330824480921 in words is "sixty-one trillion, three hundred thirty billion, eight hundred twenty-four million, four hundred eighty thousand, nine hundred twenty-one".