8537919493825 has 6 divisors (see below), whose sum is σ = 10587020172374. Its totient is φ = 6830335595040.

The previous prime is 8537919493813. The next prime is 8537919493849. The reversal of 8537919493825 is 5283949197358.

It can be written as a sum of positive squares in 3 ways, for example, as 46686677041 + 8491232816784 = 216071^2 + 2913972^2 .

It is not a de Polignac number, because 8537919493825 - 2¹³ = 8537919485633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170758389852 + ... + 170758389901.

Almost surely, 2^{8537919493825} is an apocalyptic number.

It is an amenable number.

8537919493825 is a deficient number, since it is larger than the sum of its proper divisors (2049100678549).

8537919493825 is a wasteful number, since it uses less digits than its factorization.

8537919493825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341516779763 (or 341516779758 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 73.

The spelling of 8537919493825 in words is "eight trillion, five hundred thirty-seven billion, nine hundred nineteen million, four hundred ninety-three thousand, eight hundred twenty-five".