1373650565 has 24 divisors (see below), whose sum is σ = 1922641920. Its totient is φ = 939408288.

The previous prime is 1373650547. The next prime is 1373650571. The reversal of 1373650565 is 5650563731.

It is not a de Polignac number, because 1373650565 - 2⁶ = 1373650501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86516 + ... + 101154.

It is an arithmetic number, because the mean of its divisors is an integer number (80110080).

Almost surely, 2^1373650565 is an apocalyptic number.

It is an amenable number.

1373650565 is a deficient number, since it is larger than the sum of its proper divisors (548991355).

1373650565 is a wasteful number, since it uses less digits than its factorization.

1373650565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041 (or 15034 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 41.

The square root of 1373650565 is about 37062.7921910911. The cubic root of 1373650565 is about 1111.6261545111.

The spelling of 1373650565 in words is "one billion, three hundred seventy-three million, six hundred fifty thousand, five hundred sixty-five".