6813237454 has 4 divisors (see below), whose sum is σ = 10219856184. Its totient is φ = 3406618726.

The previous prime is 6813237449. The next prime is 6813237521. The reversal of 6813237454 is 4547323186.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6813237454.

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, 1703309362 + ... + 1703309365.

It is an arithmetic number, because the mean of its divisors is an integer number (2554964046).

Almost surely, 2^6813237454 is an apocalyptic number.

6813237454 is a deficient number, since it is larger than the sum of its proper divisors (3406618730).

6813237454 is a wasteful number, since it uses less digits than its factorization.

6813237454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406618729.

The product of its digits is 483840, while the sum is 43.

The square root of 6813237454 is about 82542.3373427237. The cubic root of 6813237454 is about 1895.7650323855.

The spelling of 6813237454 in words is "six billion, eight hundred thirteen million, two hundred thirty-seven thousand, four hundred fifty-four".