213468307858 has 24 divisors (see below), whose sum is σ = 349222633200. Its totient is φ = 97815008304.

The previous prime is 213468307831. The next prime is 213468307859. The reversal of 213468307858 is 858703864312.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 213468307799 and 213468307808.

It is not an unprimeable number, because it can be changed into a prime (213468307859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2224828 + ... + 2318791.

It is an arithmetic number, because the mean of its divisors is an integer number (14550943050).

Almost surely, 2^213468307858 is an apocalyptic number.

213468307858 is a deficient number, since it is larger than the sum of its proper divisors (135754325342).

213468307858 is a wasteful number, since it uses less digits than its factorization.

213468307858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543786 (or 4543773 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 213468307858 in words is "two hundred thirteen billion, four hundred sixty-eight million, three hundred seven thousand, eight hundred fifty-eight".