27631149693143 has 2 divisors, whose sum is σ = 27631149693144. Its totient is φ = 27631149693142.

The previous prime is 27631149693097. The next prime is 27631149693209. The reversal of 27631149693143 is 34139694113672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27631149693143 - 2²⁸ = 27630881257687 is a prime.

It is a super-2 number, since 2×27631149693143² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27631149693643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13815574846571 + 13815574846572.

It is an arithmetic number, because the mean of its divisors is an integer number (13815574846572).

Almost surely, 2^{27631149693143} is an apocalyptic number.

27631149693143 is a deficient number, since it is larger than the sum of its proper divisors (1).

27631149693143 is an equidigital number, since it uses as much as digits as its factorization.

27631149693143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 59.

The spelling of 27631149693143 in words is "twenty-seven trillion, six hundred thirty-one billion, one hundred forty-nine million, six hundred ninety-three thousand, one hundred forty-three".