27450319651 has 2 divisors, whose sum is σ = 27450319652. Its totient is φ = 27450319650.

The previous prime is 27450319613. The next prime is 27450319681. The reversal of 27450319651 is 15691305472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27450319651 - 2³¹ = 25302836003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27450319598 and 27450319607.

It is not a weakly prime, because it can be changed into another prime (27450319681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13725159825 + 13725159826.

It is an arithmetic number, because the mean of its divisors is an integer number (13725159826).

Almost surely, 2^27450319651 is an apocalyptic number.

27450319651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27450319651 is an equidigital number, since it uses as much as digits as its factorization.

27450319651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 27450319651 in words is "twenty-seven billion, four hundred fifty million, three hundred nineteen thousand, six hundred fifty-one".