27949635974 has 8 divisors (see below), whose sum is σ = 45149412000. Its totient is φ = 12899831976.

The previous prime is 27949635971. The next prime is 27949635983. The reversal of 27949635974 is 47953694972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×27949635974² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27949635974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27949635971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537492974 + ... + 537493025.

It is an arithmetic number, because the mean of its divisors is an integer number (5643676500).

Almost surely, 2^27949635974 is an apocalyptic number.

27949635974 is a deficient number, since it is larger than the sum of its proper divisors (17199776026).

27949635974 is a wasteful number, since it uses less digits than its factorization.

27949635974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074986014.

The product of its digits is 102876480, while the sum is 65.

The spelling of 27949635974 in words is "twenty-seven billion, nine hundred forty-nine million, six hundred thirty-five thousand, nine hundred seventy-four".