8475995749 has 12 divisors (see below), whose sum is σ = 9193234116. Its totient is φ = 7811137152.

The previous prime is 8475995701. The next prime is 8475995753. The reversal of 8475995749 is 9475995748.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6456122500 + 2019873249 = 80350^2 + 44943^2 .

It is not a de Polignac number, because 8475995749 - 2²⁷ = 8341778021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475995249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62689 + ... + 144505.

It is an arithmetic number, because the mean of its divisors is an integer number (766102843).

Almost surely, 2^8475995749 is an apocalyptic number.

It is an amenable number.

8475995749 is a deficient number, since it is larger than the sum of its proper divisors (717238367).

8475995749 is a wasteful number, since it uses less digits than its factorization.

8475995749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82456 (or 82443 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 67.

The square root of 8475995749 is about 92065.1712049676. The cubic root of 8475995749 is about 2038.9046205943.

Subtracting 8475995749 from its reverse (9475995748), we obtain a palindrome (999999999).

The spelling of 8475995749 in words is "eight billion, four hundred seventy-five million, nine hundred ninety-five thousand, seven hundred forty-nine".