27949499494972 has 72 divisors (see below), whose sum is σ = 54533869523280. Its totient is φ = 12523115616000.

The previous prime is 27949499494967. The next prime is 27949499494981.

It is a happy number.

27949499494972 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9837304 + ... + 12356032.

It is an arithmetic number, because the mean of its divisors is an integer number (757414854490).

Almost surely, 2^{27949499494972} is an apocalyptic number.

27949499494972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27949499494972 is a deficient number, since it is larger than the sum of its proper divisors (26584370028308).

27949499494972 is a wasteful number, since it uses less digits than its factorization.

27949499494972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519083 (or 2519070 counting only the distinct ones).

The product of its digits is 26665583616, while the sum is 88.

The spelling of 27949499494972 in words is "twenty-seven trillion, nine hundred forty-nine billion, four hundred ninety-nine million, four hundred ninety-four thousand, nine hundred seventy-two".