2251536431363 has 2 divisors, whose sum is σ = 2251536431364. Its totient is φ = 2251536431362.

The previous prime is 2251536431329. The next prime is 2251536431399. The reversal of 2251536431363 is 3631346351522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251536431363 - 2⁶ = 2251536431299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251536431563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125768215681 + 1125768215682.

It is an arithmetic number, because the mean of its divisors is an integer number (1125768215682).

Almost surely, 2^{2251536431363} is an apocalyptic number.

2251536431363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251536431363 is an equidigital number, since it uses as much as digits as its factorization.

2251536431363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 44.

The spelling of 2251536431363 in words is "two trillion, two hundred fifty-one billion, five hundred thirty-six million, four hundred thirty-one thousand, three hundred sixty-three".