2133194910 has 288 divisors, whose sum is σ = 6680983680. Its totient is φ = 434206080.

The previous prime is 2133194897. The next prime is 2133194927. The reversal of 2133194910 is 194913312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11917201 + ... + 11917379.

It is an arithmetic number, because the mean of its divisors is an integer number (23197860).

Almost surely, 2^2133194910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133194910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340491840).

2133194910 is an abundant number, since it is smaller than the sum of its proper divisors (4547788770).

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

2133194910 is a wasteful number, since it uses less digits than its factorization.

2133194910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2133194910 is about 46186.5230343225. The cubic root of 2133194910 is about 1287.2913359013.

It can be divided in two parts, 2133 and 194910, that multiplied together give a triangular number (415743030 = T₂₈₈₃₅).

The spelling of 2133194910 in words is "two billion, one hundred thirty-three million, one hundred ninety-four thousand, nine hundred ten".