27349873825 has 12 divisors (see below), whose sum is σ = 33918821740. Its totient is φ = 21876687360.

The previous prime is 27349873801. The next prime is 27349873843. The reversal of 27349873825 is 52837894372.

It can be written as a sum of positive squares in 6 ways, for example, as 1762992144 + 25586881681 = 41988^2 + 159959^2 .

It is not a de Polignac number, because 27349873825 - 2¹⁹ = 27349349537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27349873825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101497 + ... + 254953.

Almost surely, 2^27349873825 is an apocalyptic number.

27349873825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27349873825 is a deficient number, since it is larger than the sum of its proper divisors (6568947915).

27349873825 is a wasteful number, since it uses less digits than its factorization.

27349873825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160596 (or 160591 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 58.

The spelling of 27349873825 in words is "twenty-seven billion, three hundred forty-nine million, eight hundred seventy-three thousand, eight hundred twenty-five".