6402311479 has 2 divisors, whose sum is σ = 6402311480. Its totient is φ = 6402311478.

The previous prime is 6402311473. The next prime is 6402311501. The reversal of 6402311479 is 9741132046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6402311479 - 2¹³ = 6402303287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6402311473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201155739 + 3201155740.

It is an arithmetic number, because the mean of its divisors is an integer number (3201155740).

Almost surely, 2^6402311479 is an apocalyptic number.

6402311479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402311479 is an equidigital number, since it uses as much as digits as its factorization.

6402311479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6402311479 is about 80014.4454395580. The cubic root of 6402311479 is about 1856.8590260227.

The spelling of 6402311479 in words is "six billion, four hundred two million, three hundred eleven thousand, four hundred seventy-nine".