6401716273 has 8 divisors (see below), whose sum is σ = 6645076200. Its totient is φ = 6159863808.

The previous prime is 6401716219. The next prime is 6401716327. The reversal of 6401716273 is 3726171046.

It is an interprime number because it is at equal distance from previous prime (6401716219) and next prime (6401716327).

It can be written as a sum of positive squares in 4 ways, for example, as 4475208609 + 1926507664 = 66897^2 + 43892^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6401716273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401716073) 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, 368208 + ... + 385201.

It is an arithmetic number, because the mean of its divisors is an integer number (830634525).

Almost surely, 2^6401716273 is an apocalyptic number.

It is an amenable number.

6401716273 is a deficient number, since it is larger than the sum of its proper divisors (243359927).

6401716273 is a wasteful number, since it uses less digits than its factorization.

6401716273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753731.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6401716273 is about 80010.7259872075. The cubic root of 6401716273 is about 1856.8014818118.

The spelling of 6401716273 in words is "six billion, four hundred one million, seven hundred sixteen thousand, two hundred seventy-three".