1941802939 has 4 divisors (see below), whose sum is σ = 1961821624. Its totient is φ = 1921784256.

The previous prime is 1941802921. The next prime is 1941802997. The reversal of 1941802939 is 9392081491.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1941802939 - 2⁹ = 1941802427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941802999) 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, 10009197 + ... + 10009390.

It is an arithmetic number, because the mean of its divisors is an integer number (490455406).

Almost surely, 2^1941802939 is an apocalyptic number.

1941802939 is a deficient number, since it is larger than the sum of its proper divisors (20018685).

1941802939 is an equidigital number, since it uses as much as digits as its factorization.

1941802939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018684.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 1941802939 is about 44065.8931487834. The cubic root of 1941802939 is about 1247.5799446761.

The spelling of 1941802939 in words is "one billion, nine hundred forty-one million, eight hundred two thousand, nine hundred thirty-nine".