27131474265 has 32 divisors (see below), whose sum is σ = 49736881920. Its totient is φ = 12371698944.

The previous prime is 27131474239. The next prime is 27131474267. The reversal of 27131474265 is 56247413172.

It is not a de Polignac number, because 27131474265 - 2¹² = 27131470169 is a prime.

It is a super-2 number, since 2×27131474265² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27131474267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283750 + ... + 367119.

It is an arithmetic number, because the mean of its divisors is an integer number (1554277560).

Almost surely, 2^27131474265 is an apocalyptic number.

It is an amenable number.

27131474265 is a deficient number, since it is larger than the sum of its proper divisors (22605407655).

27131474265 is a wasteful number, since it uses less digits than its factorization.

27131474265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651281.

The product of its digits is 282240, while the sum is 42.

The spelling of 27131474265 in words is "twenty-seven billion, one hundred thirty-one million, four hundred seventy-four thousand, two hundred sixty-five".