6415420799 has 4 divisors (see below), whose sum is σ = 6438251760. Its totient is φ = 6392589840.

The previous prime is 6415420771. The next prime is 6415420801. The reversal of 6415420799 is 9970245146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6415420799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415920799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11415059 + ... + 11415620.

It is an arithmetic number, because the mean of its divisors is an integer number (1609562940).

Almost surely, 2^6415420799 is an apocalyptic number.

6415420799 is a deficient number, since it is larger than the sum of its proper divisors (22830961).

6415420799 is a wasteful number, since it uses less digits than its factorization.

6415420799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22830960.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6415420799 is about 80096.3220066939. The cubic root of 6415420799 is about 1858.1255250495.

The spelling of 6415420799 in words is "six billion, four hundred fifteen million, four hundred twenty thousand, seven hundred ninety-nine".