6343431546551 has 16 divisors (see below), whose sum is σ = 7112580256800. Its totient is φ = 5608486118400.

The previous prime is 6343431546509. The next prime is 6343431546589. The reversal of 6343431546551 is 1556451343436.

It is not a de Polignac number, because 6343431546551 - 2¹⁰ = 6343431545527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6343431546551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343431546451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53050946 + ... + 53170383.

It is an arithmetic number, because the mean of its divisors is an integer number (444536266050).

Almost surely, 2^{6343431546551} is an apocalyptic number.

6343431546551 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6343431546551 is a deficient number, since it is larger than the sum of its proper divisors (769148710249).

6343431546551 is a wasteful number, since it uses less digits than its factorization.

6343431546551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106221490.

The product of its digits is 7776000, while the sum is 50.

Adding to 6343431546551 its reverse (1556451343436), we get a palindrome (7899882889987).

The spelling of 6343431546551 in words is "six trillion, three hundred forty-three billion, four hundred thirty-one million, five hundred forty-six thousand, five hundred fifty-one".