27752869519 has 2 divisors, whose sum is σ = 27752869520. Its totient is φ = 27752869518.

The previous prime is 27752869493. The next prime is 27752869541. The reversal of 27752869519 is 91596825772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27752869519 is a prime.

It is a super-2 number, since 2×27752869519² (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 (27752869579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876434759 + 13876434760.

It is an arithmetic number, because the mean of its divisors is an integer number (13876434760).

Almost surely, 2^27752869519 is an apocalyptic number.

27752869519 is a deficient number, since it is larger than the sum of its proper divisors (1).

27752869519 is an equidigital number, since it uses as much as digits as its factorization.

27752869519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 61.

The spelling of 27752869519 in words is "twenty-seven billion, seven hundred fifty-two million, eight hundred sixty-nine thousand, five hundred nineteen".