2097443634 has 64 divisors (see below), whose sum is σ = 4953674880. Its totient is φ = 583672320.

The previous prime is 2097443633. The next prime is 2097443651. The reversal of 2097443634 is 4363447902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2097443633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162822 + ... + 175230.

It is an arithmetic number, because the mean of its divisors is an integer number (77401170).

Almost surely, 2^2097443634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097443634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476837440).

2097443634 is an abundant number, since it is smaller than the sum of its proper divisors (2856231246).

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

2097443634 is a wasteful number, since it uses less digits than its factorization.

2097443634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12635.

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 2097443634 is about 45797.8562162030. The cubic root of 2097443634 is about 1280.0593303391.

The spelling of 2097443634 in words is "two billion, ninety-seven million, four hundred forty-three thousand, six hundred thirty-four".