2049730662 has 96 divisors (see below), whose sum is σ = 4979547360. Its totient is φ = 560286720.

The previous prime is 2049730651. The next prime is 2049730667. The reversal of 2049730662 is 2660379402.

It is a self number, because there is not a number n which added to its sum of digits gives 2049730662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049730667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 662014 + ... + 665102.

It is an arithmetic number, because the mean of its divisors is an integer number (51870285).

Almost surely, 2^2049730662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2049730662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489773680).

2049730662 is an abundant number, since it is smaller than the sum of its proper divisors (2929816698).

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

2049730662 is a wasteful number, since it uses less digits than its factorization.

2049730662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 2049730662 is about 45273.9512523482. The cubic root of 2049730662 is about 1270.2784563124.

The spelling of 2049730662 in words is "two billion, forty-nine million, seven hundred thirty thousand, six hundred sixty-two".