6738948479 has 4 divisors (see below), whose sum is σ = 6741682584. Its totient is φ = 6736214376.

The previous prime is 6738948467. The next prime is 6738948509. The reversal of 6738948479 is 9748498376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6738948479 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 (6738948409) 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, 1363352 + ... + 1368285.

It is an arithmetic number, because the mean of its divisors is an integer number (1685420646).

Almost surely, 2^6738948479 is an apocalyptic number.

6738948479 is a deficient number, since it is larger than the sum of its proper divisors (2734105).

6738948479 is a wasteful number, since it uses less digits than its factorization.

6738948479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734104.

The product of its digits is 73156608, while the sum is 65.

The square root of 6738948479 is about 82091.0986587462. The cubic root of 6738948479 is about 1888.8496007708.

The spelling of 6738948479 in words is "six billion, seven hundred thirty-eight million, nine hundred forty-eight thousand, four hundred seventy-nine".