2403996289 has 2 divisors, whose sum is σ = 2403996290. Its totient is φ = 2403996288.

The previous prime is 2403996263. The next prime is 2403996323. The reversal of 2403996289 is 9826993042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909690000 + 494306289 = 43700^2 + 22233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2403996289 - 2¹⁵ = 2403963521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2403996389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201998144 + 1201998145.

It is an arithmetic number, because the mean of its divisors is an integer number (1201998145).

Almost surely, 2^2403996289 is an apocalyptic number.

It is an amenable number.

2403996289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403996289 is an equidigital number, since it uses as much as digits as its factorization.

2403996289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 2403996289 is about 49030.5648447986. The cubic root of 2403996289 is about 1339.6086123968.

The spelling of 2403996289 in words is "two billion, four hundred three million, nine hundred ninety-six thousand, two hundred eighty-nine".