8705975949249 has 16 divisors (see below), whose sum is σ = 11922726556608. Its totient is φ = 5646631753152.

The previous prime is 8705975949233. The next prime is 8705975949259. The reversal of 8705975949249 is 9429495795078.

It is not a de Polignac number, because 8705975949249 - 2⁴ = 8705975949233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8705975949259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094307 + ... + 4668840.

It is an arithmetic number, because the mean of its divisors is an integer number (745170409788).

Almost surely, 2^{8705975949249} is an apocalyptic number.

It is an amenable number.

8705975949249 is a deficient number, since it is larger than the sum of its proper divisors (3216750607359).

8705975949249 is a wasteful number, since it uses less digits than its factorization.

8705975949249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774784.

The product of its (nonzero) digits is 2057529600, while the sum is 78.

The spelling of 8705975949249 in words is "eight trillion, seven hundred five billion, nine hundred seventy-five million, nine hundred forty-nine thousand, two hundred forty-nine".