6434531740747 has 16 divisors (see below), whose sum is σ = 7099592467968. Its totient is φ = 5783013118080.

The previous prime is 6434531740729. The next prime is 6434531740771. The reversal of 6434531740747 is 7470471354346.

It is a happy number.

It is not a de Polignac number, because 6434531740747 - 2³⁵ = 6400172002379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6434531743747) 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, 4116663 + ... + 5460400.

It is an arithmetic number, because the mean of its divisors is an integer number (443724529248).

Almost surely, 2^{6434531740747} is an apocalyptic number.

6434531740747 is a deficient number, since it is larger than the sum of its proper divisors (665060727221).

6434531740747 is a wasteful number, since it uses less digits than its factorization.

6434531740747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9577770.

The product of its (nonzero) digits is 23708160, while the sum is 55.

The spelling of 6434531740747 in words is "six trillion, four hundred thirty-four billion, five hundred thirty-one million, seven hundred forty thousand, seven hundred forty-seven".