27358748641 has 24 divisors (see below), whose sum is σ = 33578371680. Its totient is φ = 22164492672.

The previous prime is 27358748629. The next prime is 27358748647. The reversal of 27358748641 is 14684785372.

It is not a de Polignac number, because 27358748641 - 2¹¹ = 27358746593 is a prime.

It is a super-2 number, since 2×27358748641² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27358748647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369190 + ... + 437056.

It is an arithmetic number, because the mean of its divisors is an integer number (1399098820).

Almost surely, 2^27358748641 is an apocalyptic number.

It is an amenable number.

27358748641 is a deficient number, since it is larger than the sum of its proper divisors (6219623039).

27358748641 is a wasteful number, since it uses less digits than its factorization.

27358748641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68333 (or 68326 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 27358748641 in words is "twenty-seven billion, three hundred fifty-eight million, seven hundred forty-eight thousand, six hundred forty-one".