3643423049 has 8 divisors (see below), whose sum is σ = 4164538560. Its totient is φ = 3122464176.

The previous prime is 3643423019. The next prime is 3643423061. The reversal of 3643423049 is 9403243463.

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 3643423049 - 2¹² = 3643418953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3643423019) 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, 15842 + ... + 86820.

It is an arithmetic number, because the mean of its divisors is an integer number (520567320).

Almost surely, 2^3643423049 is an apocalyptic number.

It is an amenable number.

3643423049 is a deficient number, since it is larger than the sum of its proper divisors (521115511).

3643423049 is an equidigital number, since it uses as much as digits as its factorization.

3643423049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78319.

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 3643423049 is about 60360.7740921205. The cubic root of 3643423049 is about 1538.7563818654.

The spelling of 3643423049 in words is "three billion, six hundred forty-three million, four hundred twenty-three thousand, forty-nine".