213481498524 has 72 divisors (see below), whose sum is σ = 585075673728. Its totient is φ = 60402515040.

The previous prime is 213481498493. The next prime is 213481498561. The reversal of 213481498524 is 425894184312.

It is a happy number.

It is a super-2 number, since 2×213481498524² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701882 + ... + 1823009.

It is an arithmetic number, because the mean of its divisors is an integer number (8126051024).

Almost surely, 2^213481498524 is an apocalyptic number.

It is an amenable number.

213481498524 is an abundant number, since it is smaller than the sum of its proper divisors (371594175204).

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

213481498524 is a wasteful number, since it uses less digits than its factorization.

213481498524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525015 (or 3525006 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 213481498524 in words is "two hundred thirteen billion, four hundred eighty-one million, four hundred ninety-eight thousand, five hundred twenty-four".