6402426379 has 2 divisors, whose sum is σ = 6402426380. Its totient is φ = 6402426378.

The previous prime is 6402426377. The next prime is 6402426449. The reversal of 6402426379 is 9736242046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6402426379 - 2¹ = 6402426377 is a prime.

Together with 6402426377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6402426377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201213189 + 3201213190.

It is an arithmetic number, because the mean of its divisors is an integer number (3201213190).

Almost surely, 2^6402426379 is an apocalyptic number.

6402426379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402426379 is an equidigital number, since it uses as much as digits as its factorization.

6402426379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 6402426379 is about 80015.1634316896. The cubic root of 6402426379 is about 1856.8701340851.

The spelling of 6402426379 in words is "six billion, four hundred two million, four hundred twenty-six thousand, three hundred seventy-nine".