1310240380769 has 4 divisors (see below), whose sum is σ = 1310266527744. Its totient is φ = 1310214233796.

The previous prime is 1310240380739. The next prime is 1310240380831. The reversal of 1310240380769 is 9670830420131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310240380769 - 2²⁸ = 1309971945313 is a prime.

It is a super-2 number, since 2×1310240380769² (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 (1310240380739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12998177 + ... + 13098590.

It is an arithmetic number, because the mean of its divisors is an integer number (327566631936).

Almost surely, 2^{1310240380769} is an apocalyptic number.

It is an amenable number.

1310240380769 is a deficient number, since it is larger than the sum of its proper divisors (26146975).

1310240380769 is an equidigital number, since it uses as much as digits as its factorization.

1310240380769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146974.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 1310240380769 in words is "one trillion, three hundred ten billion, two hundred forty million, three hundred eighty thousand, seven hundred sixty-nine".