210939290919 has 24 divisors (see below), whose sum is σ = 348229994112. Its totient is φ = 120532323600.

The previous prime is 210939290899. The next prime is 210939290941. The reversal of 210939290919 is 919092939012.

210939290919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210939290919 - 2¹⁵ = 210939258151 is a prime.

It is a super-2 number, since 2×210939290919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210939290519) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2545432 + ... + 2626994.

It is an arithmetic number, because the mean of its divisors is an integer number (14509583088).

Almost surely, 2^210939290919 is an apocalyptic number.

210939290919 is a deficient number, since it is larger than the sum of its proper divisors (137290703193).

210939290919 is a wasteful number, since it uses less digits than its factorization.

210939290919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122627 (or 122624 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 54.

The spelling of 210939290919 in words is "two hundred ten billion, nine hundred thirty-nine million, two hundred ninety thousand, nine hundred nineteen".