3602634623981 has 2 divisors, whose sum is σ = 3602634623982. Its totient is φ = 3602634623980.

The previous prime is 3602634623957. The next prime is 3602634624019. The reversal of 3602634623981 is 1893264362063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3585308167081 + 17326456900 = 1893491^2 + 131630^2 .

It is a cyclic number.

It is not a de Polignac number, because 3602634623981 - 2²⁶ = 3602567515117 is a prime.

It is a super-2 number, since 2×3602634623981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3602634623921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801317311990 + 1801317311991.

It is an arithmetic number, because the mean of its divisors is an integer number (1801317311991).

Almost surely, 2^{3602634623981} is an apocalyptic number.

It is an amenable number.

3602634623981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3602634623981 is an equidigital number, since it uses as much as digits as its factorization.

3602634623981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 53.

The spelling of 3602634623981 in words is "three trillion, six hundred two billion, six hundred thirty-four million, six hundred twenty-three thousand, nine hundred eighty-one".