1365693844 has 12 divisors (see below), whose sum is σ = 2530550484. Its totient is φ = 642679424.

The previous prime is 1365693841. The next prime is 1365693853. The reversal of 1365693844 is 4483965631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 569776900 + 795916944 = 23870^2 + 28212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365693841) 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, 10041799 + ... + 10041934.

It is an arithmetic number, because the mean of its divisors is an integer number (210879207).

Almost surely, 2^1365693844 is an apocalyptic number.

It is an amenable number.

1365693844 is a deficient number, since it is larger than the sum of its proper divisors (1164856640).

1365693844 is a wasteful number, since it uses less digits than its factorization.

1365693844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083754 (or 20083752 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 1365693844 is about 36955.2952092119. The cubic root of 1365693844 is about 1109.4756726086.

The spelling of 1365693844 in words is "one billion, three hundred sixty-five million, six hundred ninety-three thousand, eight hundred forty-four".