58948731521 has 4 divisors (see below), whose sum is σ = 61511719872. Its totient is φ = 56385743172.

The previous prime is 58948731511. The next prime is 58948731529. The reversal of 58948731521 is 12513784985.

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 a de Polignac number, because none of the positive numbers 2^k-58948731521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58948731529) 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, 1281494141 + ... + 1281494186.

It is an arithmetic number, because the mean of its divisors is an integer number (15377929968).

Almost surely, 2^58948731521 is an apocalyptic number.

It is an amenable number.

58948731521 is a deficient number, since it is larger than the sum of its proper divisors (2562988351).

58948731521 is a wasteful number, since it uses less digits than its factorization.

58948731521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562988350.

The product of its digits is 2419200, while the sum is 53.

The spelling of 58948731521 in words is "fifty-eight billion, nine hundred forty-eight million, seven hundred thirty-one thousand, five hundred twenty-one".