8308999749 has 8 divisors (see below), whose sum is σ = 11163236832. Its totient is φ = 5497047920.

The previous prime is 8308999729. The next prime is 8308999759. The reversal of 8308999749 is 9479998038.

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 8308999749 - 2⁵ = 8308999717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8308999749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8308999729) 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, 10570854 + ... + 10571639.

It is an arithmetic number, because the mean of its divisors is an integer number (1395404604).

Almost surely, 2^8308999749 is an apocalyptic number.

It is an amenable number.

8308999749 is a deficient number, since it is larger than the sum of its proper divisors (2854237083).

8308999749 is a wasteful number, since it uses less digits than its factorization.

8308999749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21142627.

The product of its (nonzero) digits is 35271936, while the sum is 66.

The square root of 8308999749 is about 91153.7149489805. The cubic root of 8308999749 is about 2025.4253843126.

The spelling of 8308999749 in words is "eight billion, three hundred eight million, nine hundred ninety-nine thousand, seven hundred forty-nine".