1367664993 has 12 divisors (see below), whose sum is σ = 2048683728. Its totient is φ = 911776500.

The previous prime is 1367664979. The next prime is 1367664997. The reversal of 1367664993 is 3994667631.

It is a de Polignac number, because none of the positive numbers 2^k-1367664993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1367664997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2813883 + ... + 2814368.

It is an arithmetic number, because the mean of its divisors is an integer number (170723644).

Almost surely, 2^1367664993 is an apocalyptic number.

It is an amenable number.

1367664993 is a deficient number, since it is larger than the sum of its proper divisors (681018735).

1367664993 is an frugal number, since it uses more digits than its factorization.

1367664993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628266 (or 5628254 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 1367664993 is about 36981.9549645499. The cubic root of 1367664993 is about 1110.0091964176.

The spelling of 1367664993 in words is "one billion, three hundred sixty-seven million, six hundred sixty-four thousand, nine hundred ninety-three".