6733498987 has 4 divisors (see below), whose sum is σ = 6733663816. Its totient is φ = 6733334160.

The previous prime is 6733498949. The next prime is 6733498997. The reversal of 6733498987 is 7898943376.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6733498987 - 2⁷ = 6733498859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6733498997) 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, 29728 + ... + 119794.

It is an arithmetic number, because the mean of its divisors is an integer number (1683415954).

Almost surely, 2^6733498987 is an apocalyptic number.

6733498987 is a deficient number, since it is larger than the sum of its proper divisors (164829).

6733498987 is an equidigital number, since it uses as much as digits as its factorization.

6733498987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164828.

The product of its digits is 54867456, while the sum is 64.

The square root of 6733498987 is about 82057.9002107658. The cubic root of 6733498987 is about 1888.3403201988.

The spelling of 6733498987 in words is "six billion, seven hundred thirty-three million, four hundred ninety-eight thousand, nine hundred eighty-seven".