4395131908513 has 12 divisors (see below), whose sum is σ = 4911490088100. Its totient is φ = 3918879219456.

The previous prime is 4395131908469. The next prime is 4395131908529. The reversal of 4395131908513 is 3158091315934.

It can be written as a sum of positive squares in 2 ways, for example, as 1374599139489 + 3020532769024 = 1172433^2 + 1737968^2 .

It is not a de Polignac number, because 4395131908513 - 2²⁹ = 4394595037601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4395131900513) 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 11 ways as a sum of consecutive naturals, for example, 358078588 + ... + 358090861.

It is an arithmetic number, because the mean of its divisors is an integer number (409290840675).

Almost surely, 2^{4395131908513} is an apocalyptic number.

It is an amenable number.

4395131908513 is a deficient number, since it is larger than the sum of its proper divisors (516358179587).

4395131908513 is a wasteful number, since it uses less digits than its factorization.

4395131908513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716169504 (or 716169485 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 4395131908513 in words is "four trillion, three hundred ninety-five billion, one hundred thirty-one million, nine hundred eight thousand, five hundred thirteen".