6532720699 has 4 divisors (see below), whose sum is σ = 6757986960. Its totient is φ = 6307454440.

The previous prime is 6532720681. The next prime is 6532720709. The reversal of 6532720699 is 9960272356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6532720699 - 2¹³ = 6532712507 is a prime.

It is a super-2 number, since 2×6532720699² = 85352879462286097202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6532720639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112633087 + ... + 112633144.

It is an arithmetic number, because the mean of its divisors is an integer number (1689496740).

Almost surely, 2^6532720699 is an apocalyptic number.

6532720699 is a deficient number, since it is larger than the sum of its proper divisors (225266261).

6532720699 is a wasteful number, since it uses less digits than its factorization.

6532720699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225266260.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 6532720699 is about 80825.2479055895. The cubic root of 6532720699 is about 1869.3818864189.

The spelling of 6532720699 in words is "six billion, five hundred thirty-two million, seven hundred twenty thousand, six hundred ninety-nine".