6426942377 has 4 divisors (see below), whose sum is σ = 6431045376. Its totient is φ = 6422839380.

The previous prime is 6426942373. The next prime is 6426942391. The reversal of 6426942377 is 7732496246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6426942377 - 2² = 6426942373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6426942373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049149 + ... + 2052282.

It is an arithmetic number, because the mean of its divisors is an integer number (1607761344).

Almost surely, 2^6426942377 is an apocalyptic number.

It is an amenable number.

6426942377 is a deficient number, since it is larger than the sum of its proper divisors (4102999).

6426942377 is a wasteful number, since it uses less digits than its factorization.

6426942377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102998.

The product of its digits is 3048192, while the sum is 50.

The square root of 6426942377 is about 80168.2130086483. The cubic root of 6426942377 is about 1859.2372076453.

The spelling of 6426942377 in words is "six billion, four hundred twenty-six million, nine hundred forty-two thousand, three hundred seventy-seven".