27452554749 has 20 divisors (see below), whose sum is σ = 41014012864. Its totient is φ = 18299632104.

The previous prime is 27452554739. The next prime is 27452554769. The reversal of 27452554749 is 94745525472.

It is a happy number.

27452554749 is a `hidden beast` number, since 2 + 7 + 4 + 52 + 5 + 547 + 49 = 666.

It is not a de Polignac number, because 27452554749 - 2⁷ = 27452554621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27452554695 and 27452554704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27452554739) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1106094 + ... + 1130640.

Almost surely, 2^27452554749 is an apocalyptic number.

It is an amenable number.

27452554749 is a deficient number, since it is larger than the sum of its proper divisors (13561458115).

27452554749 is a wasteful number, since it uses less digits than its factorization.

27452554749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38366 (or 38357 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 27452554749 in words is "twenty-seven billion, four hundred fifty-two million, five hundred fifty-four thousand, seven hundred forty-nine".