8634867493 has 8 divisors (see below), whose sum is σ = 9896378688. Its totient is φ = 7380345984.

The previous prime is 8634867481. The next prime is 8634867497. The reversal of 8634867493 is 3947684368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8634867493 - 2²⁹ = 8097996581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8634867497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744771 + ... + 1749712.

It is an arithmetic number, because the mean of its divisors is an integer number (1237047336).

Almost surely, 2^8634867493 is an apocalyptic number.

It is an amenable number.

8634867493 is a deficient number, since it is larger than the sum of its proper divisors (1261511195).

8634867493 is a wasteful number, since it uses less digits than its factorization.

8634867493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494843.

The product of its digits is 20901888, while the sum is 58.

The square root of 8634867493 is about 92923.9877157669. The cubic root of 8634867493 is about 2051.5647377737.

The spelling of 8634867493 in words is "eight billion, six hundred thirty-four million, eight hundred sixty-seven thousand, four hundred ninety-three".