2089963944 has 160 divisors (see below), whose sum is σ = 6114880200. Its totient is φ = 666247680.

The previous prime is 2089963937. The next prime is 2089963951. The reversal of 2089963944 is 4493699802.

It is an interprime number because it is at equal distance from previous prime (2089963937) and next prime (2089963951).

It can be written as a sum of positive squares in 4 ways, for example, as 1163492100 + 926471844 = 34110^2 + 30438^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1461822 + ... + 1463250.

Almost surely, 2^2089963944 is an apocalyptic number.

2089963944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089963944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057440100).

2089963944 is an abundant number, since it is smaller than the sum of its proper divisors (4024916256).

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

2089963944 is a wasteful number, since it uses less digits than its factorization.

2089963944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 2089963944 is about 45716.1234577036. The cubic root of 2089963944 is about 1278.5359122508.

The spelling of 2089963944 in words is "two billion, eighty-nine million, nine hundred sixty-three thousand, nine hundred forty-four".