213742342460 has 24 divisors (see below), whose sum is σ = 448867603296. Its totient is φ = 85495282880.

The previous prime is 213742342433. The next prime is 213742342549. The reversal of 213742342460 is 64243247312.

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, 1998545 + ... + 2102775.

It is an arithmetic number, because the mean of its divisors is an integer number (18702816804).

Almost surely, 2^213742342460 is an apocalyptic number.

213742342460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213742342460 is an abundant number, since it is smaller than the sum of its proper divisors (235125260836).

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

213742342460 is a wasteful number, since it uses less digits than its factorization.

213742342460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206773 (or 206771 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

Adding to 213742342460 its reverse (64243247312), we get a palindrome (277985589772).

The spelling of 213742342460 in words is "two hundred thirteen billion, seven hundred forty-two million, three hundred forty-two thousand, four hundred sixty".