3643723499 has 8 divisors (see below), whose sum is σ = 4130537040. Its totient is φ = 3186413856.

The previous prime is 3643723493. The next prime is 3643723513. The reversal of 3643723499 is 9943273463.

It is a happy number.

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 3643723499 - 2¹² = 3643719403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643723493) 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, 7375712 + ... + 7376205.

It is an arithmetic number, because the mean of its divisors is an integer number (516317130).

Almost surely, 2^3643723499 is an apocalyptic number.

3643723499 is a deficient number, since it is larger than the sum of its proper divisors (486813541).

3643723499 is a wasteful number, since it uses less digits than its factorization.

3643723499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14751949.

The product of its digits is 2939328, while the sum is 50.

The square root of 3643723499 is about 60363.2628259938. The cubic root of 3643723499 is about 1538.7986778639.

The spelling of 3643723499 in words is "three billion, six hundred forty-three million, seven hundred twenty-three thousand, four hundred ninety-nine".