27631149693093 has 12 divisors (see below), whose sum is σ = 41389870322528. Its totient is φ = 18420766461900.

The previous prime is 27631149693041. The next prime is 27631149693097. The reversal of 27631149693093 is 39039694113672.

27631149693093 is a `hidden beast` number, since 2 + 7 + 6 + 311 + 4 + 9 + 6 + 9 + 309 + 3 = 666.

It is not a de Polignac number, because 27631149693093 - 2⁹ = 27631149692581 is a prime.

It is a super-2 number, since 2×27631149693093² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27631149693093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27631149693097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56854217233 + ... + 56854217718.

Almost surely, 2^{27631149693093} is an apocalyptic number.

It is an amenable number.

27631149693093 is a deficient number, since it is larger than the sum of its proper divisors (13758720629435).

27631149693093 is an equidigital number, since it uses as much as digits as its factorization.

27631149693093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113708434966 (or 113708434954 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

Adding to 27631149693093 its sum of digits (63), we get a square (27631149693156 = 5256534²).

The spelling of 27631149693093 in words is "twenty-seven trillion, six hundred thirty-one billion, one hundred forty-nine million, six hundred ninety-three thousand, ninety-three".