3675946643 has 4 divisors (see below), whose sum is σ = 3677322480. Its totient is φ = 3674570808.

The previous prime is 3675946627. The next prime is 3675946697. The reversal of 3675946643 is 3466495763.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466495763 = 47 ⋅73755229.

It is a cyclic number.

It is not a de Polignac number, because 3675946643 - 2⁴ = 3675946627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3675946343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683903 + ... + 689256.

It is an arithmetic number, because the mean of its divisors is an integer number (919330620).

Almost surely, 2^3675946643 is an apocalyptic number.

3675946643 is a deficient number, since it is larger than the sum of its proper divisors (1375837).

3675946643 is a wasteful number, since it uses less digits than its factorization.

3675946643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375836.

The product of its digits is 9797760, while the sum is 53.

The square root of 3675946643 is about 60629.5855420437. The cubic root of 3675946643 is about 1543.3214760189.

The spelling of 3675946643 in words is "three billion, six hundred seventy-five million, nine hundred forty-six thousand, six hundred forty-three".