6554943723 has 4 divisors (see below), whose sum is σ = 8739924968. Its totient is φ = 4369962480.

The previous prime is 6554943713. The next prime is 6554943743. The reversal of 6554943723 is 3273494556.

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

It is not a de Polignac number, because 6554943723 - 2⁸ = 6554943467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6554943713) 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, 1092490618 + ... + 1092490623.

It is an arithmetic number, because the mean of its divisors is an integer number (2184981242).

Almost surely, 2^6554943723 is an apocalyptic number.

6554943723 is a deficient number, since it is larger than the sum of its proper divisors (2184981245).

6554943723 is a wasteful number, since it uses less digits than its factorization.

6554943723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184981244.

The product of its digits is 2721600, while the sum is 48.

The square root of 6554943723 is about 80962.6069429585. The cubic root of 6554943723 is about 1871.4992431263.

The spelling of 6554943723 in words is "six billion, five hundred fifty-four million, nine hundred forty-three thousand, seven hundred twenty-three".