3647432243 has 8 divisors (see below), whose sum is σ = 4489147488. Its totient is φ = 2885880384.

The previous prime is 3647432219. The next prime is 3647432249. The reversal of 3647432243 is 3422347463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3647432243 - 2¹⁰ = 3647431219 is a prime.

It is a super-2 number, since 2×3647432243² = 26607523934552022098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3647432197 and 3647432206.

It is not an unprimeable number, because it can be changed into a prime (3647432249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20040746 + ... + 20040927.

It is an arithmetic number, because the mean of its divisors is an integer number (561143436).

Almost surely, 2^3647432243 is an apocalyptic number.

3647432243 is a deficient number, since it is larger than the sum of its proper divisors (841715245).

3647432243 is a wasteful number, since it uses less digits than its factorization.

3647432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40081693.

The product of its digits is 290304, while the sum is 38.

The square root of 3647432243 is about 60393.9752210434. The cubic root of 3647432243 is about 1539.3205867643.

The spelling of 3647432243 in words is "three billion, six hundred forty-seven million, four hundred thirty-two thousand, two hundred forty-three".