210401000999 has 32 divisors (see below), whose sum is σ = 255809664000. Its totient is φ = 169249538304.

The previous prime is 210401000983. The next prime is 210401001037. The reversal of 210401000999 is 999000104012.

It is not a de Polignac number, because 210401000999 - 2⁴ = 210401000983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210401000969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967262 + ... + 1164644.

It is an arithmetic number, because the mean of its divisors is an integer number (7994052000).

Almost surely, 2^210401000999 is an apocalyptic number.

210401000999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

210401000999 is a deficient number, since it is larger than the sum of its proper divisors (45408663001).

210401000999 is a wasteful number, since it uses less digits than its factorization.

210401000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197567.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 210401000999 in words is "two hundred ten billion, four hundred one million, nine hundred ninety-nine", and thus it is an aban number.