6377491443 has 4 divisors (see below), whose sum is σ = 8503321928. Its totient is φ = 4251660960.

The previous prime is 6377491427. The next prime is 6377491499. The reversal of 6377491443 is 3441947736.

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

It is not a de Polignac number, because 6377491443 - 2⁴ = 6377491427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6377491392 and 6377491401.

It is not an unprimeable number, because it can be changed into a prime (6377496443) 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, 1062915238 + ... + 1062915243.

It is an arithmetic number, because the mean of its divisors is an integer number (2125830482).

Almost surely, 2^6377491443 is an apocalyptic number.

6377491443 is a deficient number, since it is larger than the sum of its proper divisors (2125830485).

6377491443 is a wasteful number, since it uses less digits than its factorization.

6377491443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125830484.

The product of its digits is 1524096, while the sum is 48.

The square root of 6377491443 is about 79859.1976105445. The cubic root of 6377491443 is about 1854.4564045815.

The spelling of 6377491443 in words is "six billion, three hundred seventy-seven million, four hundred ninety-one thousand, four hundred forty-three".