5860191721 has 2 divisors, whose sum is σ = 5860191722. Its totient is φ = 5860191720.

The previous prime is 5860191719. The next prime is 5860191749. The reversal of 5860191721 is 1271910685.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4470393321 + 1389798400 = 66861^2 + 37280^2 .

It is a cyclic number.

It is not a de Polignac number, because 5860191721 - 2¹ = 5860191719 is a prime.

Together with 5860191719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5860191751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930095860 + 2930095861.

It is an arithmetic number, because the mean of its divisors is an integer number (2930095861).

Almost surely, 2^5860191721 is an apocalyptic number.

It is an amenable number.

5860191721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5860191721 is an equidigital number, since it uses as much as digits as its factorization.

5860191721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 5860191721 is about 76551.8890753194. The cubic root of 5860191721 is about 1802.8957218735.

The spelling of 5860191721 in words is "five billion, eight hundred sixty million, one hundred ninety-one thousand, seven hundred twenty-one".