1310535689839 has 4 divisors (see below), whose sum is σ = 1310539136920. Its totient is φ = 1310532242760.

The previous prime is 1310535689831. The next prime is 1310535689851. The reversal of 1310535689839 is 9389865350131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310535689839 - 2³ = 1310535689831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310535689831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070877 + ... + 1941094.

It is an arithmetic number, because the mean of its divisors is an integer number (327634784230).

Almost surely, 2^{1310535689839} is an apocalyptic number.

1310535689839 is a deficient number, since it is larger than the sum of its proper divisors (3447081).

1310535689839 is an equidigital number, since it uses as much as digits as its factorization.

1310535689839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447080.

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 1310535689839 in words is "one trillion, three hundred ten billion, five hundred thirty-five million, six hundred eighty-nine thousand, eight hundred thirty-nine".