3675543021 has 64 divisors (see below), whose sum is σ = 5917224960. Its totient is φ = 2246065920.

The previous prime is 3675543013. The next prime is 3675543029. The reversal of 3675543021 is 1203455763.

It is an interprime number because it is at equal distance from previous prime (3675543013) and next prime (3675543029).

It is not a de Polignac number, because 3675543021 - 2³ = 3675543013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3675543029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7485586 + ... + 7486076.

It is an arithmetic number, because the mean of its divisors is an integer number (92456640).

Almost surely, 2^3675543021 is an apocalyptic number.

It is an amenable number.

3675543021 is a deficient number, since it is larger than the sum of its proper divisors (2241681939).

3675543021 is a wasteful number, since it uses less digits than its factorization.

3675543021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 3675543021 is about 60626.2568611983. The cubic root of 3675543021 is about 1543.2649879573.

Adding to 3675543021 its reverse (1203455763), we get a palindrome (4878998784).

The spelling of 3675543021 in words is "three billion, six hundred seventy-five million, five hundred forty-three thousand, twenty-one".