2081443762 has 4 divisors (see below), whose sum is σ = 3122165646. Its totient is φ = 1040721880.

The previous prime is 2081443753. The next prime is 2081443781. The reversal of 2081443762 is 2673441802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1400181561 + 681262201 = 37419^2 + 26101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520360939 + ... + 520360942.

Almost surely, 2^2081443762 is an apocalyptic number.

2081443762 is a deficient number, since it is larger than the sum of its proper divisors (1040721884).

2081443762 is a wasteful number, since it uses less digits than its factorization.

2081443762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040721883.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2081443762 is about 45622.8425462509. The cubic root of 2081443762 is about 1276.7961381675.

The spelling of 2081443762 in words is "two billion, eighty-one million, four hundred forty-three thousand, seven hundred sixty-two".