6415404263 has 2 divisors, whose sum is σ = 6415404264. Its totient is φ = 6415404262.

The previous prime is 6415404253. The next prime is 6415404287. The reversal of 6415404263 is 3624045146.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6415404263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6415404253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207702131 + 3207702132.

It is an arithmetic number, because the mean of its divisors is an integer number (3207702132).

Almost surely, 2^6415404263 is an apocalyptic number.

6415404263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6415404263 is an equidigital number, since it uses as much as digits as its factorization.

6415404263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 6415404263 is about 80096.2187809137. The cubic root of 6415404263 is about 1858.1239285842.

The spelling of 6415404263 in words is "six billion, four hundred fifteen million, four hundred four thousand, two hundred sixty-three".