58742544721 has 4 divisors (see below), whose sum is σ = 67134336832. Its totient is φ = 50350752612.

The previous prime is 58742544697. The next prime is 58742544737. The reversal of 58742544721 is 12744524785.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12744524785 = 5 ⋅2548904957.

It is a cyclic number.

It is not a de Polignac number, because 58742544721 - 2¹¹ = 58742542673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58742541721) 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, 4195896045 + ... + 4195896058.

It is an arithmetic number, because the mean of its divisors is an integer number (16783584208).

Almost surely, 2^58742544721 is an apocalyptic number.

It is an amenable number.

58742544721 is a deficient number, since it is larger than the sum of its proper divisors (8391792111).

58742544721 is an equidigital number, since it uses as much as digits as its factorization.

58742544721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391792110.

The product of its digits is 2508800, while the sum is 49.

The spelling of 58742544721 in words is "fifty-eight billion, seven hundred forty-two million, five hundred forty-four thousand, seven hundred twenty-one".