2091634272 has 384 divisors, whose sum is σ = 7722086400. Its totient is φ = 535984128.

The previous prime is 2091634271. The next prime is 2091634277. The reversal of 2091634272 is 2724361902.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091634271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2908729 + ... + 2909447.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^2091634272 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 2091634272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861043200).

2091634272 is an abundant number, since it is smaller than the sum of its proper divisors (5630452128).

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

2091634272 is a wasteful number, since it uses less digits than its factorization.

2091634272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2091634272 is about 45734.3882871522. The cubic root of 2091634272 is about 1278.8764293946.

The spelling of 2091634272 in words is "two billion, ninety-one million, six hundred thirty-four thousand, two hundred seventy-two".