1269714286849 has 24 divisors (see below), whose sum is σ = 1371231515576. Its totient is φ = 1175157504000.

The previous prime is 1269714286837. The next prime is 1269714286879. The reversal of 1269714286849 is 9486824179621.

It can be written as a sum of positive squares in 12 ways, for example, as 171971943025 + 1097742343824 = 414695^2 + 1047732^2 .

It is not a de Polignac number, because 1269714286849 - 2¹⁷ = 1269714155777 is a prime.

It is a super-2 number, since 2×1269714286849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1269714286879) 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 in 23 ways as a sum of consecutive naturals, for example, 144923629 + ... + 144932389.

Almost surely, 2^{1269714286849} is an apocalyptic number.

It is an amenable number.

1269714286849 is a deficient number, since it is larger than the sum of its proper divisors (101517228727).

1269714286849 is an equidigital number, since it uses as much as digits as its factorization.

1269714286849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077 (or 17060 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The spelling of 1269714286849 in words is "one trillion, two hundred sixty-nine billion, seven hundred fourteen million, two hundred eighty-six thousand, eight hundred forty-nine".