6403675522 has 4 divisors (see below), whose sum is σ = 9605513286. Its totient is φ = 3201837760.

The previous prime is 6403675501. The next prime is 6403675543. The reversal of 6403675522 is 2255763046.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6403675501) and next prime (6403675543).

It can be written as a sum of positive squares in only one way, i.e., 4618697521 + 1784978001 = 67961^2 + 42249^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600918879 + ... + 1600918882.

Almost surely, 2^6403675522 is an apocalyptic number.

6403675522 is a deficient number, since it is larger than the sum of its proper divisors (3201837764).

6403675522 is a wasteful number, since it uses less digits than its factorization.

6403675522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201837763.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 6403675522 is about 80022.9687152383. The cubic root of 6403675522 is about 1856.9908875495.

The spelling of 6403675522 in words is "six billion, four hundred three million, six hundred seventy-five thousand, five hundred twenty-two".