6479166397 has 4 divisors (see below), whose sum is σ = 7068181536. Its totient is φ = 5890151260.

The previous prime is 6479166391. The next prime is 6479166403. The reversal of 6479166397 is 7936619746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6479166391) and next prime (6479166403).

It is a cyclic number.

It is not a de Polignac number, because 6479166397 - 2¹⁹ = 6478642109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479166391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294507553 + ... + 294507574.

It is an arithmetic number, because the mean of its divisors is an integer number (1767045384).

Almost surely, 2^6479166397 is an apocalyptic number.

It is an amenable number.

6479166397 is a deficient number, since it is larger than the sum of its proper divisors (589015139).

6479166397 is a wasteful number, since it uses less digits than its factorization.

6479166397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589015138.

The product of its digits is 10287648, while the sum is 58.

The square root of 6479166397 is about 80493.2692652001. The cubic root of 6479166397 is about 1864.2595557508.

The spelling of 6479166397 in words is "six billion, four hundred seventy-nine million, one hundred sixty-six thousand, three hundred ninety-seven".