2261436008831 has 2 divisors, whose sum is σ = 2261436008832. Its totient is φ = 2261436008830.

The previous prime is 2261436008753. The next prime is 2261436008837. The reversal of 2261436008831 is 1388006341622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261436008831 - 2¹⁰ = 2261436007807 is a prime.

It is a super-2 number, since 2×2261436008831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261436008837) 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, 1130718004415 + 1130718004416.

It is an arithmetic number, because the mean of its divisors is an integer number (1130718004416).

Almost surely, 2^{2261436008831} is an apocalyptic number.

2261436008831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261436008831 is an equidigital number, since it uses as much as digits as its factorization.

2261436008831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 2261436008831 in words is "two trillion, two hundred sixty-one billion, four hundred thirty-six million, eight thousand, eight hundred thirty-one".