5321646749 has 8 divisors (see below), whose sum is σ = 5604551040. Its totient is φ = 5039024256.

The previous prime is 5321646739. The next prime is 5321646751. The reversal of 5321646749 is 9476461235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5321646749 is a prime.

It is a super-2 number, since 2×5321646749² = 56639848242284538002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321646739) 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, 31109 + ... + 107754.

It is an arithmetic number, because the mean of its divisors is an integer number (700568880).

Almost surely, 2^5321646749 is an apocalyptic number.

It is an amenable number.

5321646749 is a deficient number, since it is larger than the sum of its proper divisors (282904291).

5321646749 is a wasteful number, since it uses less digits than its factorization.

5321646749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140899.

The product of its digits is 1088640, while the sum is 47.

The square root of 5321646749 is about 72949.6178811102. The cubic root of 5321646749 is about 1745.8838497525.

The spelling of 5321646749 in words is "five billion, three hundred twenty-one million, six hundred forty-six thousand, seven hundred forty-nine".