27403625231 has 2 divisors, whose sum is σ = 27403625232. Its totient is φ = 27403625230.

The previous prime is 27403625153. The next prime is 27403625239. The reversal of 27403625231 is 13252630472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27403625231 - 2¹⁰ = 27403624207 is a prime.

It is a super-2 number, since 2×27403625231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27403625191 and 27403625200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27403625239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13701812615 + 13701812616.

It is an arithmetic number, because the mean of its divisors is an integer number (13701812616).

Almost surely, 2^27403625231 is an apocalyptic number.

27403625231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27403625231 is an equidigital number, since it uses as much as digits as its factorization.

27403625231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 27403625231 in words is "twenty-seven billion, four hundred three million, six hundred twenty-five thousand, two hundred thirty-one".