1000244413261 has 2 divisors, whose sum is σ = 1000244413262. Its totient is φ = 1000244413260.

The previous prime is 1000244413187. The next prime is 1000244413279. The reversal of 1000244413261 is 1623144420001.

1000244413261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616177900900 + 384066512361 = 784970^2 + 619731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000244413261 - 2²⁷ = 1000110195533 is a prime.

It is a super-3 number, since 3×1000244413261³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000244413291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500122206630 + 500122206631.

It is an arithmetic number, because the mean of its divisors is an integer number (500122206631).

Almost surely, 2^{1000244413261} is an apocalyptic number.

It is an amenable number.

1000244413261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000244413261 is an equidigital number, since it uses as much as digits as its factorization.

1000244413261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1000244413261 its reverse (1623144420001), we get a palindrome (2623388833262).

The spelling of 1000244413261 in words is "one trillion, two hundred forty-four million, four hundred thirteen thousand, two hundred sixty-one".