27953490999 has 16 divisors (see below), whose sum is σ = 42614494208. Its totient is φ = 15966411552.

The previous prime is 27953490991. The next prime is 27953491001. The reversal of 27953490999 is 99909435972.

It is not a de Polignac number, because 27953490999 - 2³ = 27953490991 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 (27953490991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242992 + ... + 339045.

It is an arithmetic number, because the mean of its divisors is an integer number (2663405888).

Almost surely, 2^27953490999 is an apocalyptic number.

27953490999 is a deficient number, since it is larger than the sum of its proper divisors (14661003209).

27953490999 is a wasteful number, since it uses less digits than its factorization.

27953490999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584334.

The product of its (nonzero) digits is 49601160, while the sum is 66.

The spelling of 27953490999 in words is "twenty-seven billion, nine hundred fifty-three million, four hundred ninety thousand, nine hundred ninety-nine".