213437663814 has 16 divisors (see below), whose sum is σ = 426884919552. Its totient is φ = 71144289288.

The previous prime is 213437663801. The next prime is 213437663827. The reversal of 213437663814 is 418366734312.

It is an interprime number because it is at equal distance from previous prime (213437663801) and next prime (213437663827).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92194 + ... + 659829.

It is an arithmetic number, because the mean of its divisors is an integer number (26680307472).

Almost surely, 2^213437663814 is an apocalyptic number.

213437663814 is an abundant number, since it is smaller than the sum of its proper divisors (213447255738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213437663814 is a wasteful number, since it uses less digits than its factorization.

213437663814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799331.

The product of its digits is 1741824, while the sum is 48.

The spelling of 213437663814 in words is "two hundred thirteen billion, four hundred thirty-seven million, six hundred sixty-three thousand, eight hundred fourteen".