8208746493 has 4 divisors (see below), whose sum is σ = 10944995328. Its totient is φ = 5472497660.

The previous prime is 8208746479. The next prime is 8208746503. The reversal of 8208746493 is 3946478028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8208746493 - 2¹³ = 8208738301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208746443) 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, 1368124413 + ... + 1368124418.

It is an arithmetic number, because the mean of its divisors is an integer number (2736248832).

Almost surely, 2^8208746493 is an apocalyptic number.

It is an amenable number.

8208746493 is a deficient number, since it is larger than the sum of its proper divisors (2736248835).

8208746493 is a wasteful number, since it uses less digits than its factorization.

8208746493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736248834.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 8208746493 is about 90602.1329384689. The cubic root of 8208746493 is about 2017.2463945430.

The spelling of 8208746493 in words is "eight billion, two hundred eight million, seven hundred forty-six thousand, four hundred ninety-three".