1000244413187 has 2 divisors, whose sum is σ = 1000244413188. Its totient is φ = 1000244413186.

The previous prime is 1000244413177. The next prime is 1000244413261. The reversal of 1000244413187 is 7813144420001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000244413187 - 2⁴ = 1000244413171 is a prime.

It is a super-2 number, since 2×1000244413187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000244413117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500122206593 + 500122206594.

It is an arithmetic number, because the mean of its divisors is an integer number (500122206594).

Almost surely, 2^{1000244413187} is an apocalyptic number.

1000244413187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000244413187 is an equidigital number, since it uses as much as digits as its factorization.

1000244413187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 1000244413187 its reverse (7813144420001), we get a palindrome (8813388833188).

The spelling of 1000244413187 in words is "one trillion, two hundred forty-four million, four hundred thirteen thousand, one hundred eighty-seven".