6437055947 has 4 divisors (see below), whose sum is σ = 7356635376. Its totient is φ = 5517476520.

The previous prime is 6437055943. The next prime is 6437055949. The reversal of 6437055947 is 7495507346.

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

It is a cyclic number.

It is not a de Polignac number, because 6437055947 - 2² = 6437055943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6437055895 and 6437055904.

It is not an unprimeable number, because it can be changed into a prime (6437055941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459789704 + ... + 459789717.

It is an arithmetic number, because the mean of its divisors is an integer number (1839158844).

Almost surely, 2^6437055947 is an apocalyptic number.

6437055947 is a deficient number, since it is larger than the sum of its proper divisors (919579429).

6437055947 is an equidigital number, since it uses as much as digits as its factorization.

6437055947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919579428.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The square root of 6437055947 is about 80231.2653957296. The cubic root of 6437055947 is about 1860.2119412978.

The spelling of 6437055947 in words is "six billion, four hundred thirty-seven million, fifty-five thousand, nine hundred forty-seven".