2453661389 has 2 divisors, whose sum is σ = 2453661390. Its totient is φ = 2453661388.

The previous prime is 2453661383. The next prime is 2453661433. The reversal of 2453661389 is 9831663542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2413756900 + 39904489 = 49130^2 + 6317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453661389 - 2¹² = 2453657293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2453661383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226830694 + 1226830695.

It is an arithmetic number, because the mean of its divisors is an integer number (1226830695).

Almost surely, 2^2453661389 is an apocalyptic number.

It is an amenable number.

2453661389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453661389 is an equidigital number, since it uses as much as digits as its factorization.

2453661389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The square root of 2453661389 is about 49534.4464892866. The cubic root of 2453661389 is about 1348.7709690466.

The spelling of 2453661389 in words is "two billion, four hundred fifty-three million, six hundred sixty-one thousand, three hundred eighty-nine".