214660243455 has 48 divisors (see below), whose sum is σ = 408822378624. Its totient is φ = 95848280640.

The previous prime is 214660243451. The next prime is 214660243471. The reversal of 214660243455 is 554342066412.

It is a happy number.

It is not a de Polignac number, because 214660243455 - 2² = 214660243451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214660243451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3364381 + ... + 3427590.

It is an arithmetic number, because the mean of its divisors is an integer number (8517132888).

Almost surely, 2^214660243455 is an apocalyptic number.

214660243455 is a deficient number, since it is larger than the sum of its proper divisors (194162135169).

214660243455 is a wasteful number, since it uses less digits than its factorization.

214660243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792036 (or 6792029 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 214660243455 in words is "two hundred fourteen billion, six hundred sixty million, two hundred forty-three thousand, four hundred fifty-five".