27465227533 has 2 divisors, whose sum is σ = 27465227534. Its totient is φ = 27465227532.

The previous prime is 27465227501. The next prime is 27465227551. The reversal of 27465227533 is 33572256472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25624645929 + 1840581604 = 160077^2 + 42902^2 .

It is a cyclic number.

It is not a de Polignac number, because 27465227533 - 2⁵ = 27465227501 is a prime.

It is a super-2 number, since 2×27465227533² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27465227233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13732613766 + 13732613767.

It is an arithmetic number, because the mean of its divisors is an integer number (13732613767).

Almost surely, 2^27465227533 is an apocalyptic number.

It is an amenable number.

27465227533 is a deficient number, since it is larger than the sum of its proper divisors (1).

27465227533 is an equidigital number, since it uses as much as digits as its factorization.

27465227533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 46.

The spelling of 27465227533 in words is "twenty-seven billion, four hundred sixty-five million, two hundred twenty-seven thousand, five hundred thirty-three".