6745322438 has 4 divisors (see below), whose sum is σ = 10117983660. Its totient is φ = 3372661218.

The previous prime is 6745322413. The next prime is 6745322443. The reversal of 6745322438 is 8342235476.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1686330608 + ... + 1686330611.

It is an arithmetic number, because the mean of its divisors is an integer number (2529495915).

Almost surely, 2^6745322438 is an apocalyptic number.

6745322438 is a deficient number, since it is larger than the sum of its proper divisors (3372661222).

6745322438 is a wasteful number, since it uses less digits than its factorization.

6745322438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372661221.

The product of its digits is 967680, while the sum is 44.

The square root of 6745322438 is about 82129.9119566069. The cubic root of 6745322438 is about 1889.4449288674. Note that the first 3 decimals are identical.

The spelling of 6745322438 in words is "six billion, seven hundred forty-five million, three hundred twenty-two thousand, four hundred thirty-eight".