62661765701 has 2 divisors, whose sum is σ = 62661765702. Its totient is φ = 62661765700.

The previous prime is 62661765667. The next prime is 62661765707. The reversal of 62661765701 is 10756716626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56263365601 + 6398400100 = 237199^2 + 79990^2 .

It is a cyclic number.

It is not a de Polignac number, because 62661765701 - 2⁶ = 62661765637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62661765707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31330882850 + 31330882851.

It is an arithmetic number, because the mean of its divisors is an integer number (31330882851).

Almost surely, 2^62661765701 is an apocalyptic number.

It is an amenable number.

62661765701 is a deficient number, since it is larger than the sum of its proper divisors (1).

62661765701 is an equidigital number, since it uses as much as digits as its factorization.

62661765701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 62661765701 in words is "sixty-two billion, six hundred sixty-one million, seven hundred sixty-five thousand, seven hundred one".