215245414413 has 6 divisors (see below), whose sum is σ = 310910043054. Its totient is φ = 143496942936.

The previous prime is 215245414387. The next prime is 215245414429. The reversal of 215245414413 is 314414542512.

215245414413 is a `hidden beast` number, since 2 + 1 + 52 + 454 + 144 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 205497209124 + 9748205289 = 453318^2 + 98733^2 .

It is not a de Polignac number, because 215245414413 - 2⁸ = 215245414157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215245414313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11958078570 + ... + 11958078587.

It is an arithmetic number, because the mean of its divisors is an integer number (51818340509).

Almost surely, 2^215245414413 is an apocalyptic number.

It is an amenable number.

215245414413 is a deficient number, since it is larger than the sum of its proper divisors (95664628641).

215245414413 is a wasteful number, since it uses less digits than its factorization.

215245414413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916157163 (or 23916157160 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 215245414413 its reverse (314414542512), we get a palindrome (529659956925).

The spelling of 215245414413 in words is "two hundred fifteen billion, two hundred forty-five million, four hundred fourteen thousand, four hundred thirteen".