2039771941 has 4 divisors (see below), whose sum is σ = 2083171392. Its totient is φ = 1996372492.

The previous prime is 2039771917. The next prime is 2039771977. The reversal of 2039771941 is 1491779302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2039771941 - 2¹⁵ = 2039739173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039771641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21699655 + ... + 21699748.

It is an arithmetic number, because the mean of its divisors is an integer number (520792848).

Almost surely, 2^2039771941 is an apocalyptic number.

It is an amenable number.

2039771941 is a deficient number, since it is larger than the sum of its proper divisors (43399451).

2039771941 is an equidigital number, since it uses as much as digits as its factorization.

2039771941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43399450.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 2039771941 is about 45163.8344364160. The cubic root of 2039771941 is about 1268.2178779955.

The spelling of 2039771941 in words is "two billion, thirty-nine million, seven hundred seventy-one thousand, nine hundred forty-one".