2261436008837 has 2 divisors, whose sum is σ = 2261436008838. Its totient is φ = 2261436008836.

The previous prime is 2261436008831. The next prime is 2261436008849. The reversal of 2261436008837 is 7388006341622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249814438401 + 1011621570436 = 1117951^2 + 1005794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261436008837 - 2⁸ = 2261436008581 is a prime.

It is a super-2 number, since 2×2261436008837² (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 (2261436008831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130718004418 + 1130718004419.

It is an arithmetic number, because the mean of its divisors is an integer number (1130718004419).

Almost surely, 2^{2261436008837} is an apocalyptic number.

It is an amenable number.

2261436008837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261436008837 is an equidigital number, since it uses as much as digits as its factorization.

2261436008837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 2261436008837 in words is "two trillion, two hundred sixty-one billion, four hundred thirty-six million, eight thousand, eight hundred thirty-seven".