7144827171457 has 8 divisors (see below), whose sum is σ = 7161257817000. Its totient is φ = 7128398828544.

The previous prime is 7144827171359. The next prime is 7144827171463. The reversal of 7144827171457 is 7541717284417.

It can be written as a sum of positive squares in 4 ways, for example, as 3288096782721 + 3856730388736 = 1813311^2 + 1963856^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-7144827171457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144827175457) 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, 5716219 + ... + 6853087.

It is an arithmetic number, because the mean of its divisors is an integer number (895157227125).

Almost surely, 2^{7144827171457} is an apocalyptic number.

It is an amenable number.

7144827171457 is a deficient number, since it is larger than the sum of its proper divisors (16430645543).

7144827171457 is a wasteful number, since it uses less digits than its factorization.

7144827171457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151315.

The product of its digits is 12293120, while the sum is 58.

The spelling of 7144827171457 in words is "seven trillion, one hundred forty-four billion, eight hundred twenty-seven million, one hundred seventy-one thousand, four hundred fifty-seven".