8749609340215 has 4 divisors (see below), whose sum is σ = 10499531208264. Its totient is φ = 6999687472168.

The previous prime is 8749609340203. The next prime is 8749609340233. The reversal of 8749609340215 is 5120439069478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8749609340215 - 2³⁵ = 8715249601847 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 8749609340215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874960934017 + ... + 874960934026.

It is an arithmetic number, because the mean of its divisors is an integer number (2624882802066).

It is a 1-persistent number, because it is pandigital, but 2⋅8749609340215 = 17499218680430 is not.

Almost surely, 2^{8749609340215} is an apocalyptic number.

8749609340215 is a deficient number, since it is larger than the sum of its proper divisors (1749921868049).

8749609340215 is a wasteful number, since it uses less digits than its factorization.

8749609340215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749921868048.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 8749609340215 in words is "eight trillion, seven hundred forty-nine billion, six hundred nine million, three hundred forty thousand, two hundred fifteen".