27036958649 has 2 divisors, whose sum is σ = 27036958650. Its totient is φ = 27036958648.

The previous prime is 27036958621. The next prime is 27036958679. The reversal of 27036958649 is 94685963072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26387728249 + 649230400 = 162443^2 + 25480^2 .

It is a cyclic number.

It is not a de Polignac number, because 27036958649 - 2³² = 22741991353 is a prime.

It is not a weakly prime, because it can be changed into another prime (27036958679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13518479324 + 13518479325.

It is an arithmetic number, because the mean of its divisors is an integer number (13518479325).

Almost surely, 2^27036958649 is an apocalyptic number.

It is an amenable number.

27036958649 is a deficient number, since it is larger than the sum of its proper divisors (1).

27036958649 is an equidigital number, since it uses as much as digits as its factorization.

27036958649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 27036958649 in words is "twenty-seven billion, thirty-six million, nine hundred fifty-eight thousand, six hundred forty-nine".