6495278001 has 8 divisors (see below), whose sum is σ = 8696306784. Its totient is φ = 4312217280.

The previous prime is 6495277979. The next prime is 6495278057. The reversal of 6495278001 is 1008725946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6495278001 - 2⁶ = 6495277937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6495278201) 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, 4491171 + ... + 4492616.

It is an arithmetic number, because the mean of its divisors is an integer number (1087038348).

Almost surely, 2^6495278001 is an apocalyptic number.

It is an amenable number.

6495278001 is a deficient number, since it is larger than the sum of its proper divisors (2201028783).

6495278001 is a wasteful number, since it uses less digits than its factorization.

6495278001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984031.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 6495278001 is about 80593.2875678862. The cubic root of 6495278001 is about 1865.8035480596.

The spelling of 6495278001 in words is "six billion, four hundred ninety-five million, two hundred seventy-eight thousand, one".