6335378459 has 2 divisors, whose sum is σ = 6335378460. Its totient is φ = 6335378458.

The previous prime is 6335378437. The next prime is 6335378477. The reversal of 6335378459 is 9548735336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6335378459 - 2¹² = 6335374363 is a prime.

It is a super-2 number, since 2×6335378459² = 80274040437522429362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6335378459.

It is not a weakly prime, because it can be changed into another prime (6335378059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167689229 + 3167689230.

It is an arithmetic number, because the mean of its divisors is an integer number (3167689230).

Almost surely, 2^6335378459 is an apocalyptic number.

6335378459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6335378459 is an equidigital number, since it uses as much as digits as its factorization.

6335378459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The square root of 6335378459 is about 79595.0906714729. The cubic root of 6335378459 is about 1850.3654947696.

The spelling of 6335378459 in words is "six billion, three hundred thirty-five million, three hundred seventy-eight thousand, four hundred fifty-nine".