6415219797 has 12 divisors (see below), whose sum is σ = 9950137056. Its totient is φ = 3665839800.

The previous prime is 6415219781. The next prime is 6415219817. The reversal of 6415219797 is 7979125146.

It is not a de Polignac number, because 6415219797 - 2⁴ = 6415219781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415219897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21820329 + ... + 21820622.

It is an arithmetic number, because the mean of its divisors is an integer number (829178088).

Almost surely, 2^6415219797 is an apocalyptic number.

It is an amenable number.

6415219797 is a deficient number, since it is larger than the sum of its proper divisors (3534917259).

6415219797 is a wasteful number, since it uses less digits than its factorization.

6415219797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43640968 (or 43640961 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The square root of 6415219797 is about 80095.0672451182. The cubic root of 6415219797 is about 1858.1061191597.

The spelling of 6415219797 in words is "six billion, four hundred fifteen million, two hundred nineteen thousand, seven hundred ninety-seven".