58845043721 has 2 divisors, whose sum is σ = 58845043722. Its totient is φ = 58845043720.

The previous prime is 58845043711. The next prime is 58845043723. The reversal of 58845043721 is 12734054885.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29556486400 + 29288557321 = 171920^2 + 171139^2 .

It is a cyclic number.

It is not a de Polignac number, because 58845043721 - 2¹⁴ = 58845027337 is a prime.

It is a Sophie Germain prime.

Together with 58845043723, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (58845043723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29422521860 + 29422521861.

It is an arithmetic number, because the mean of its divisors is an integer number (29422521861).

Almost surely, 2^58845043721 is an apocalyptic number.

It is an amenable number.

58845043721 is a deficient number, since it is larger than the sum of its proper divisors (1).

58845043721 is an equidigital number, since it uses as much as digits as its factorization.

58845043721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 58845043721 in words is "fifty-eight billion, eight hundred forty-five million, forty-three thousand, seven hundred twenty-one".