213240990004 has 24 divisors (see below), whose sum is σ = 426809360768. Its totient is φ = 91318842720.

The previous prime is 213240989977. The next prime is 213240990007. The reversal of 213240990004 is 400099042312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213240990007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885907 + ... + 2958874.

Almost surely, 2^213240990004 is an apocalyptic number.

It is an amenable number.

213240990004 is an abundant number, since it is smaller than the sum of its proper divisors (213568370764).

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

213240990004 is a wasteful number, since it uses less digits than its factorization.

213240990004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846095 (or 5846093 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 213240990004 in words is "two hundred thirteen billion, two hundred forty million, nine hundred ninety thousand, four".