1367826838509 has 16 divisors (see below), whose sum is σ = 1842223564800. Its totient is φ = 902689320960.

The previous prime is 1367826838501. The next prime is 1367826838513. The reversal of 1367826838509 is 9058386287631.

It is not a de Polignac number, because 1367826838509 - 2³ = 1367826838501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1367826838509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1367826838501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826812 + ... + 4168949.

It is an arithmetic number, because the mean of its divisors is an integer number (115138972800).

Almost surely, 2^{1367826838509} is an apocalyptic number.

It is an amenable number.

1367826838509 is a deficient number, since it is larger than the sum of its proper divisors (474396726291).

1367826838509 is a wasteful number, since it uses less digits than its factorization.

1367826838509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996340.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 1367826838509 in words is "one trillion, three hundred sixty-seven billion, eight hundred twenty-six million, eight hundred thirty-eight thousand, five hundred nine".