6738498399 has 8 divisors (see below), whose sum is σ = 9029814400. Its totient is φ = 4469757336.

The previous prime is 6738498397. The next prime is 6738498433. The reversal of 6738498399 is 9938948376.

It is a happy number.

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

It is not a de Polignac number, because 6738498399 - 2¹ = 6738498397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738498397) 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, 5643037 + ... + 5644230.

It is an arithmetic number, because the mean of its divisors is an integer number (1128726800).

Almost surely, 2^6738498399 is an apocalyptic number.

6738498399 is a deficient number, since it is larger than the sum of its proper divisors (2291316001).

6738498399 is a wasteful number, since it uses less digits than its factorization.

6738498399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287469.

The product of its digits is 70543872, while the sum is 66.

The square root of 6738498399 is about 82088.3572682509. The cubic root of 6738498399 is about 1888.8075490888.

The spelling of 6738498399 in words is "six billion, seven hundred thirty-eight million, four hundred ninety-eight thousand, three hundred ninety-nine".