8101499636 has 6 divisors (see below), whose sum is σ = 14177624370. Its totient is φ = 4050749816.

The previous prime is 8101499633. The next prime is 8101499647. The reversal of 8101499636 is 6369941018.

It can be written as a sum of positive squares in only one way, i.e., 6174816400 + 1926683236 = 78580^2 + 43894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101499633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012687451 + ... + 1012687458.

It is an arithmetic number, because the mean of its divisors is an integer number (2362937395).

Almost surely, 2^8101499636 is an apocalyptic number.

It is an amenable number.

8101499636 is a deficient number, since it is larger than the sum of its proper divisors (6076124734).

8101499636 is a wasteful number, since it uses less digits than its factorization.

8101499636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025374913 (or 2025374911 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 8101499636 is about 90008.3309255316. The cubic root of 8101499636 is about 2008.4227815803.

The spelling of 8101499636 in words is "eight billion, one hundred one million, four hundred ninety-nine thousand, six hundred thirty-six".