6359749636 has 6 divisors (see below), whose sum is σ = 11129561870. Its totient is φ = 3179874816.

The previous prime is 6359749633. The next prime is 6359749637. The reversal of 6359749636 is 6369479536.

It can be written as a sum of positive squares in only one way, i.e., 3377934400 + 2981815236 = 58120^2 + 54606^2 .

It is not an unprimeable number, because it can be changed into a prime (6359749633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794968701 + ... + 794968708.

Almost surely, 2^6359749636 is an apocalyptic number.

It is an amenable number.

6359749636 is a deficient number, since it is larger than the sum of its proper divisors (4769812234).

6359749636 is a wasteful number, since it uses less digits than its factorization.

6359749636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589937413 (or 1589937411 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 58.

The square root of 6359749636 is about 79748.0384460960. The cubic root of 6359749636 is about 1852.7351444756.

The spelling of 6359749636 in words is "six billion, three hundred fifty-nine million, seven hundred forty-nine thousand, six hundred thirty-six".