6342615805 has 4 divisors (see below), whose sum is σ = 7611138972. Its totient is φ = 5074092640.

The previous prime is 6342615767. The next prime is 6342615859. The reversal of 6342615805 is 5085162436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4085510724 + 2257105081 = 63918^2 + 47509^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6342615805 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634261576 + ... + 634261585.

It is an arithmetic number, because the mean of its divisors is an integer number (1902784743).

Almost surely, 2^6342615805 is an apocalyptic number.

It is an amenable number.

6342615805 is a deficient number, since it is larger than the sum of its proper divisors (1268523167).

6342615805 is a wasteful number, since it uses less digits than its factorization.

6342615805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268523166.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 6342615805 is about 79640.5412148863. The cubic root of 6342615805 is about 1851.0698272833.

The spelling of 6342615805 in words is "six billion, three hundred forty-two million, six hundred fifteen thousand, eight hundred five".