2043996761 has 8 divisors (see below), whose sum is σ = 2069647104. Its totient is φ = 2018370960.

The previous prime is 2043996743. The next prime is 2043996797. The reversal of 2043996761 is 1676993402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2043996761 - 2⁶ = 2043996697 is a prime.

It is a super-2 number, since 2×2043996761² = 8355845517956982242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043996061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207416 + ... + 217046.

It is an arithmetic number, because the mean of its divisors is an integer number (258705888).

Almost surely, 2^2043996761 is an apocalyptic number.

It is an amenable number.

2043996761 is a deficient number, since it is larger than the sum of its proper divisors (25650343).

2043996761 is an equidigital number, since it uses as much as digits as its factorization.

2043996761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2043996761 is about 45210.5824005840. The cubic root of 2043996761 is about 1269.0928609943.

The spelling of 2043996761 in words is "two billion, forty-three million, nine hundred ninety-six thousand, seven hundred sixty-one".