213890603746 has 8 divisors (see below), whose sum is σ = 322628285520. Its totient is φ = 106347841908.

The previous prime is 213890603701. The next prime is 213890603747. The reversal of 213890603746 is 647306098312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213890603746.

It is not an unprimeable number, because it can be changed into a prime (213890603747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298729536 + ... + 298730251.

It is an arithmetic number, because the mean of its divisors is an integer number (40328535690).

Almost surely, 2^213890603746 is an apocalyptic number.

213890603746 is a deficient number, since it is larger than the sum of its proper divisors (108737681774).

213890603746 is a wasteful number, since it uses less digits than its factorization.

213890603746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597459968.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 213890603746 in words is "two hundred thirteen billion, eight hundred ninety million, six hundred three thousand, seven hundred forty-six".