4099747985 has 16 divisors (see below), whose sum is σ = 5080373760. Its totient is φ = 3172763520.

The previous prime is 4099747979. The next prime is 4099747991. The reversal of 4099747985 is 5897479904.

It is an interprime number because it is at equal distance from previous prime (4099747979) and next prime (4099747991).

It is not a de Polignac number, because 4099747985 - 2⁴ = 4099747969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767534 + ... + 772856.

It is an arithmetic number, because the mean of its divisors is an integer number (317523360).

Almost surely, 2^4099747985 is an apocalyptic number.

It is an amenable number.

4099747985 is a deficient number, since it is larger than the sum of its proper divisors (980625775).

4099747985 is a wasteful number, since it uses less digits than its factorization.

4099747985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The square root of 4099747985 is about 64029.2744375571. The cubic root of 4099747985 is about 1600.4878701043.

The spelling of 4099747985 in words is "four billion, ninety-nine million, seven hundred forty-seven thousand, nine hundred eighty-five".