6415157219 has 2 divisors, whose sum is σ = 6415157220. Its totient is φ = 6415157218.

The previous prime is 6415157149. The next prime is 6415157297. The reversal of 6415157219 is 9127515146.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6415157219 - 2²⁰ = 6414108643 is a prime.

It is a super-2 number, since 2×6415157219² = 82308484288975627922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6415157719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207578609 + 3207578610.

It is an arithmetic number, because the mean of its divisors is an integer number (3207578610).

Almost surely, 2^6415157219 is an apocalyptic number.

6415157219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6415157219 is an equidigital number, since it uses as much as digits as its factorization.

6415157219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 6415157219 is about 80094.6765958887. The cubic root of 6415157219 is about 1858.1000774367.

The spelling of 6415157219 in words is "six billion, four hundred fifteen million, one hundred fifty-seven thousand, two hundred nineteen".