27513630149 has 4 divisors (see below), whose sum is σ = 27667337760. Its totient is φ = 27359922540.

The previous prime is 27513630119. The next prime is 27513630173. The reversal of 27513630149 is 94103631572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27513630149 - 2²⁰ = 27512581573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27513630119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76853537 + ... + 76853894.

It is an arithmetic number, because the mean of its divisors is an integer number (6916834440).

Almost surely, 2^27513630149 is an apocalyptic number.

It is an amenable number.

27513630149 is a deficient number, since it is larger than the sum of its proper divisors (153707611).

27513630149 is a wasteful number, since it uses less digits than its factorization.

27513630149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153707610.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 27513630149 in words is "twenty-seven billion, five hundred thirteen million, six hundred thirty thousand, one hundred forty-nine".