6434415287 has 2 divisors, whose sum is σ = 6434415288. Its totient is φ = 6434415286.

The previous prime is 6434415263. The next prime is 6434415293. The reversal of 6434415287 is 7825144346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6434415287 - 2²⁰ = 6433366711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6434415217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217207643 + 3217207644.

It is an arithmetic number, because the mean of its divisors is an integer number (3217207644).

Almost surely, 2^6434415287 is an apocalyptic number.

6434415287 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434415287 is an equidigital number, since it uses as much as digits as its factorization.

6434415287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The square root of 6434415287 is about 80214.8071555371. The cubic root of 6434415287 is about 1859.9575362218.

The spelling of 6434415287 in words is "six billion, four hundred thirty-four million, four hundred fifteen thousand, two hundred eighty-seven".