210999304532 has 12 divisors (see below), whose sum is σ = 390969299700. Its totient is φ = 99293790336.

The previous prime is 210999304513. The next prime is 210999304601. The reversal of 210999304532 is 235403999012.

It can be written as a sum of positive squares in 2 ways, for example, as 150579698116 + 60419606416 = 388046^2 + 245804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551465407 + ... + 1551465542.

It is an arithmetic number, because the mean of its divisors is an integer number (32580774975).

Almost surely, 2^210999304532 is an apocalyptic number.

It is an amenable number.

210999304532 is a deficient number, since it is larger than the sum of its proper divisors (179969995168).

210999304532 is a wasteful number, since it uses less digits than its factorization.

210999304532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102930970 (or 3102930968 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 210999304532 in words is "two hundred ten billion, nine hundred ninety-nine million, three hundred four thousand, five hundred thirty-two".