2101773492 has 144 divisors (see below), whose sum is σ = 6764634240. Its totient is φ = 535175424.

The previous prime is 2101773481. The next prime is 2101773517. The reversal of 2101773492 is 2943771012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83943 + ... + 106065.

Almost surely, 2^2101773492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101773492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382317120).

2101773492 is an abundant number, since it is smaller than the sum of its proper divisors (4662860748).

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

2101773492 is a wasteful number, since it uses less digits than its factorization.

2101773492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182 (or 22177 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2101773492 is about 45845.1032499655. The cubic root of 2101773492 is about 1280.9395551264.

The spelling of 2101773492 in words is "two billion, one hundred one million, seven hundred seventy-three thousand, four hundred ninety-two".