6437147423547 has 8 divisors (see below), whose sum is σ = 8583274233856. Its totient is φ = 4291226114472.

The previous prime is 6437147423533. The next prime is 6437147423573. The reversal of 6437147423547 is 7453247417346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6437147423547 - 2²⁸ = 6436878988091 is a prime.

It is a super-2 number, since 2×6437147423547² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6437147423527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51302203 + ... + 51427524.

It is an arithmetic number, because the mean of its divisors is an integer number (1072909279232).

Almost surely, 2^{6437147423547} is an apocalyptic number.

6437147423547 is a deficient number, since it is larger than the sum of its proper divisors (2146126810309).

6437147423547 is a wasteful number, since it uses less digits than its factorization.

6437147423547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102750617.

The product of its digits is 47416320, while the sum is 57.

The spelling of 6437147423547 in words is "six trillion, four hundred thirty-seven billion, one hundred forty-seven million, four hundred twenty-three thousand, five hundred forty-seven".