214531243615 has 32 divisors (see below), whose sum is σ = 298041246720. Its totient is φ = 146891677824.

The previous prime is 214531243571. The next prime is 214531243679. The reversal of 214531243615 is 516342135412.

It is a cyclic number.

It is not a de Polignac number, because 214531243615 - 2⁹ = 214531243103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1789929 + ... + 1906018.

It is an arithmetic number, because the mean of its divisors is an integer number (9313788960).

Almost surely, 2^214531243615 is an apocalyptic number.

214531243615 is a deficient number, since it is larger than the sum of its proper divisors (83510003105).

214531243615 is a wasteful number, since it uses less digits than its factorization.

214531243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696031.

The product of its digits is 86400, while the sum is 37.

The spelling of 214531243615 in words is "two hundred fourteen billion, five hundred thirty-one million, two hundred forty-three thousand, six hundred fifteen".