8381364659 has 4 divisors (see below), whose sum is σ = 8384938104. Its totient is φ = 8377791216.

The previous prime is 8381364613. The next prime is 8381364661. The reversal of 8381364659 is 9564631838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9564631838 = 2 ⋅4782315919.

It is a cyclic number.

It is not a de Polignac number, because 8381364659 - 2²⁴ = 8364587443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8381364659.

It is not an unprimeable number, because it can be changed into a prime (8381354659) 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, 1783202 + ... + 1787895.

It is an arithmetic number, because the mean of its divisors is an integer number (2096234526).

Almost surely, 2^8381364659 is an apocalyptic number.

8381364659 is a deficient number, since it is larger than the sum of its proper divisors (3573445).

8381364659 is a wasteful number, since it uses less digits than its factorization.

8381364659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573444.

The product of its digits is 3732480, while the sum is 53.

The square root of 8381364659 is about 91549.7933312796. The cubic root of 8381364659 is about 2031.2883551587.

The spelling of 8381364659 in words is "eight billion, three hundred eighty-one million, three hundred sixty-four thousand, six hundred fifty-nine".