27451373049 has 48 divisors (see below), whose sum is σ = 41311355904. Its totient is φ = 17552937600.

The previous prime is 27451373041. The next prime is 27451373051. The reversal of 27451373049 is 94037315472.

27451373049 is a `hidden beast` number, since 27 + 4 + 513 + 73 + 0 + 49 = 666.

It is not a de Polignac number, because 27451373049 - 2³ = 27451373041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27451372995 and 27451373013.

It is not an unprimeable number, because it can be changed into a prime (27451373041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7558464 + ... + 7562094.

It is an arithmetic number, because the mean of its divisors is an integer number (860653248).

Almost surely, 2^27451373049 is an apocalyptic number.

It is an amenable number.

27451373049 is a deficient number, since it is larger than the sum of its proper divisors (13859982855).

27451373049 is a wasteful number, since it uses less digits than its factorization.

27451373049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 27451373049 in words is "twenty-seven billion, four hundred fifty-one million, three hundred seventy-three thousand, forty-nine".