213390500672 has 28 divisors (see below), whose sum is σ = 423482292480. Its totient is φ = 106686301056.

The previous prime is 213390500671. The next prime is 213390500689. The reversal of 213390500672 is 276005093312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213390500671) 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, 665063 + ... + 932249.

Almost surely, 2^213390500672 is an apocalyptic number.

It is an amenable number.

213390500672 is a deficient number, since it is larger than the sum of its proper divisors (210091791808).

213390500672 is a wasteful number, since it uses less digits than its factorization.

213390500672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279678 (or 279668 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

Adding to 213390500672 its reverse (276005093312), we get a palindrome (489395593984).

The spelling of 213390500672 in words is "two hundred thirteen billion, three hundred ninety million, five hundred thousand, six hundred seventy-two".