7549316139457 has 8 divisors (see below), whose sum is σ = 7554969576360. Its totient is φ = 7543664202240.

The previous prime is 7549316139433. The next prime is 7549316139493.

7549316139457 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 144609836176 + 7404706303281 = 380276^2 + 2721159^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7549316139457 - 2⁷ = 7549316139329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7549316139257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9799857 + ... + 10542097.

It is an arithmetic number, because the mean of its divisors is an integer number (944371197045).

Almost surely, 2^{7549316139457} is an apocalyptic number.

It is an amenable number.

7549316139457 is a deficient number, since it is larger than the sum of its proper divisors (5653436903).

7549316139457 is a wasteful number, since it uses less digits than its factorization.

7549316139457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749843.

The product of its digits is 85730400, while the sum is 64.

The spelling of 7549316139457 in words is "seven trillion, five hundred forty-nine billion, three hundred sixteen million, one hundred thirty-nine thousand, four hundred fifty-seven".