215102364254434 has 16 divisors (see below), whose sum is σ = 331385792456376. Its totient is φ = 104640641856000.

The previous prime is 215102364254431. The next prime is 215102364254467. The reversal of 215102364254434 is 434452463201512.

It can be written as a sum of positive squares in 4 ways, for example, as 210147497496225 + 4954866758209 = 14496465^2 + 2225953^2 .

It is not an unprimeable number, because it can be changed into a prime (215102364254431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50026447 + ... + 54155794.

Almost surely, 2^{215102364254434} is an apocalyptic number.

215102364254434 is a deficient number, since it is larger than the sum of its proper divisors (116283428201942).

215102364254434 is a wasteful number, since it uses less digits than its factorization.

215102364254434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104210181.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 215102364254434 in words is "two hundred fifteen trillion, one hundred two billion, three hundred sixty-four million, two hundred fifty-four thousand, four hundred thirty-four".