213099389516 has 24 divisors (see below), whose sum is σ = 401635822560. Its totient is φ = 98347335552.

The previous prime is 213099389509. The next prime is 213099389543. The reversal of 213099389516 is 615983990312.

It is a happy number.

213099389516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213099389516² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756905 + ... + 999551.

It is an arithmetic number, because the mean of its divisors is an integer number (16734825940).

Almost surely, 2^213099389516 is an apocalyptic number.

213099389516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

213099389516 is a deficient number, since it is larger than the sum of its proper divisors (188536433044).

213099389516 is a wasteful number, since it uses less digits than its factorization.

213099389516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259553 (or 259551 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 213099389516 in words is "two hundred thirteen billion, ninety-nine million, three hundred eighty-nine thousand, five hundred sixteen".