59921146961 has 4 divisors (see below), whose sum is σ = 64530465972. Its totient is φ = 55311827952.

The previous prime is 59921146897. The next prime is 59921146979. The reversal of 59921146961 is 16964112995.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16839993361 + 43081153600 = 129769^2 + 207560^2 .

It is a cyclic number.

It is not a de Polignac number, because 59921146961 - 2⁶ = 59921146897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59921146261) 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 3 ways as a sum of consecutive naturals, for example, 2304659486 + ... + 2304659511.

It is an arithmetic number, because the mean of its divisors is an integer number (16132616493).

Almost surely, 2^59921146961 is an apocalyptic number.

It is an amenable number.

59921146961 is a deficient number, since it is larger than the sum of its proper divisors (4609319011).

59921146961 is a wasteful number, since it uses less digits than its factorization.

59921146961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609319010.

The product of its digits is 1049760, while the sum is 53.

The spelling of 59921146961 in words is "fifty-nine billion, nine hundred twenty-one million, one hundred forty-six thousand, nine hundred sixty-one".