6320402314661 has 2 divisors, whose sum is σ = 6320402314662. Its totient is φ = 6320402314660.

The previous prime is 6320402314643. The next prime is 6320402314729. The reversal of 6320402314661 is 1664132040236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6033434253025 + 286968061636 = 2456305^2 + 535694^2 .

It is a cyclic number.

It is not a de Polignac number, because 6320402314661 - 2²⁶ = 6320335205797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6320402314631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160201157330 + 3160201157331.

It is an arithmetic number, because the mean of its divisors is an integer number (3160201157331).

Almost surely, 2^{6320402314661} is an apocalyptic number.

It is an amenable number.

6320402314661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6320402314661 is an equidigital number, since it uses as much as digits as its factorization.

6320402314661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 6320402314661 its reverse (1664132040236), we get a palindrome (7984534354897).

The spelling of 6320402314661 in words is "six trillion, three hundred twenty billion, four hundred two million, three hundred fourteen thousand, six hundred sixty-one".