3601316107721 has 2 divisors, whose sum is σ = 3601316107722. Its totient is φ = 3601316107720.

The previous prime is 3601316107679. The next prime is 3601316107723. The reversal of 3601316107721 is 1277016131063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3188953063696 + 412363044025 = 1785764^2 + 642155^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601316107721 - 2³⁴ = 3584136238537 is a prime.

Together with 3601316107723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3601316107723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800658053860 + 1800658053861.

It is an arithmetic number, because the mean of its divisors is an integer number (1800658053861).

Almost surely, 2^{3601316107721} is an apocalyptic number.

It is an amenable number.

3601316107721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601316107721 is an equidigital number, since it uses as much as digits as its factorization.

3601316107721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 3601316107721 in words is "three trillion, six hundred one billion, three hundred sixteen million, one hundred seven thousand, seven hundred twenty-one".