6416416423639 has 2 divisors, whose sum is σ = 6416416423640. Its totient is φ = 6416416423638.

The previous prime is 6416416423609. The next prime is 6416416423687. The reversal of 6416416423639 is 9363246146146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6416416423639 - 2⁵ = 6416416423607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6416416423639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6416416423609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208208211819 + 3208208211820.

It is an arithmetic number, because the mean of its divisors is an integer number (3208208211820).

Almost surely, 2^{6416416423639} is an apocalyptic number.

6416416423639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416416423639 is an equidigital number, since it uses as much as digits as its factorization.

6416416423639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 55.

The spelling of 6416416423639 in words is "six trillion, four hundred sixteen billion, four hundred sixteen million, four hundred twenty-three thousand, six hundred thirty-nine".