6471457348636 has 24 divisors (see below), whose sum is σ = 12944394884736. Its totient is φ = 2773164537840.

The previous prime is 6471457348619. The next prime is 6471457348637. The reversal of 6471457348636 is 6368437541746.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471457348637) 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, 12966670 + ... + 13456501.

It is an arithmetic number, because the mean of its divisors is an integer number (539349786864).

Almost surely, 2^{6471457348636} is an apocalyptic number.

It is an amenable number.

6471457348636 is an abundant number, since it is smaller than the sum of its proper divisors (6472937536100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6471457348636 is a wasteful number, since it uses less digits than its factorization.

6471457348636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431929 (or 26431927 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 64.

The spelling of 6471457348636 in words is "six trillion, four hundred seventy-one billion, four hundred fifty-seven million, three hundred forty-eight thousand, six hundred thirty-six".