2401766489 has 4 divisors (see below), whose sum is σ = 2405685156. Its totient is φ = 2397847824.

The previous prime is 2401766483. The next prime is 2401766519. The reversal of 2401766489 is 9846671042.

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 809118025 + 1592648464 = 28445^2 + 39908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401766489 - 2⁴ = 2401766473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401766483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958414 + ... + 1959639.

It is an arithmetic number, because the mean of its divisors is an integer number (601421289).

Almost surely, 2^2401766489 is an apocalyptic number.

It is an amenable number.

2401766489 is a deficient number, since it is larger than the sum of its proper divisors (3918667).

2401766489 is an equidigital number, since it uses as much as digits as its factorization.

2401766489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918666.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2401766489 is about 49007.8206922120. The cubic root of 2401766489 is about 1339.1943045889.

The spelling of 2401766489 in words is "two billion, four hundred one million, seven hundred sixty-six thousand, four hundred eighty-nine".