59221345921 has 4 divisors (see below), whose sum is σ = 61796187072. Its totient is φ = 56646504772.

The previous prime is 59221345903. The next prime is 59221345951. The reversal of 59221345921 is 12954312295.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 59221345921 - 2¹¹ = 59221343873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59221345901) 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, 1287420541 + ... + 1287420586.

It is an arithmetic number, because the mean of its divisors is an integer number (15449046768).

Almost surely, 2^59221345921 is an apocalyptic number.

It is an amenable number.

59221345921 is a deficient number, since it is larger than the sum of its proper divisors (2574841151).

59221345921 is a wasteful number, since it uses less digits than its factorization.

59221345921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574841150.

The product of its digits is 194400, while the sum is 43.

The spelling of 59221345921 in words is "fifty-nine billion, two hundred twenty-one million, three hundred forty-five thousand, nine hundred twenty-one".