6497398934 has 16 divisors (see below), whose sum is σ = 10834373760. Its totient is φ = 2902063680.

The previous prime is 6497398927. The next prime is 6497398937. The reversal of 6497398934 is 4398937946.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497398937) 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, 4029839 + ... + 4031450.

It is an arithmetic number, because the mean of its divisors is an integer number (677148360).

Almost surely, 2^6497398934 is an apocalyptic number.

6497398934 is a deficient number, since it is larger than the sum of its proper divisors (4336974826).

6497398934 is a wasteful number, since it uses less digits than its factorization.

6497398934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061335.

The product of its digits is 35271936, while the sum is 62.

The square root of 6497398934 is about 80606.4447423405. Note that the first 3 decimals coincide. The cubic root of 6497398934 is about 1866.0066090971.

The spelling of 6497398934 in words is "six billion, four hundred ninety-seven million, three hundred ninety-eight thousand, nine hundred thirty-four".