2401783889 has 4 divisors (see below), whose sum is σ = 2402088756. Its totient is φ = 2401479024.

The previous prime is 2401783871. The next prime is 2401783897. The reversal of 2401783889 is 9883871042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1452219664 + 949564225 = 38108^2 + 30815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401783889 - 2⁸ = 2401783633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401783819) 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, 140294 + ... + 156479.

It is an arithmetic number, because the mean of its divisors is an integer number (600522189).

Almost surely, 2^2401783889 is an apocalyptic number.

It is an amenable number.

2401783889 is a deficient number, since it is larger than the sum of its proper divisors (304867).

2401783889 is an equidigital number, since it uses as much as digits as its factorization.

2401783889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304866.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 2401783889 is about 49007.9982145772. The cubic root of 2401783889 is about 1339.1975385870.

The spelling of 2401783889 in words is "two billion, four hundred one million, seven hundred eighty-three thousand, eight hundred eighty-nine".