6379942511 has 2 divisors, whose sum is σ = 6379942512. Its totient is φ = 6379942510.

The previous prime is 6379942501. The next prime is 6379942553. The reversal of 6379942511 is 1152499736.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6379942511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6379942501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189971255 + 3189971256.

It is an arithmetic number, because the mean of its divisors is an integer number (3189971256).

Almost surely, 2^6379942511 is an apocalyptic number.

6379942511 is a deficient number, since it is larger than the sum of its proper divisors (1).

6379942511 is an equidigital number, since it uses as much as digits as its factorization.

6379942511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 6379942511 is about 79874.5423210675. The cubic root of 6379942511 is about 1854.6939492129.

The spelling of 6379942511 in words is "six billion, three hundred seventy-nine million, nine hundred forty-two thousand, five hundred eleven".