270881993 has 8 divisors (see below), whose sum is σ = 290520000. Its totient is φ = 251782128.

The previous prime is 270881981. The next prime is 270882019. The reversal of 270881993 is 399188072.

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

It is a cyclic number.

It is not a de Polignac number, because 270881993 - 2¹⁰ = 270880969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270881593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133493 + ... + 135506.

It is an arithmetic number, because the mean of its divisors is an integer number (36315000).

Almost surely, 2^270881993 is an apocalyptic number.

It is an amenable number.

270881993 is a deficient number, since it is larger than the sum of its proper divisors (19638007).

270881993 is a wasteful number, since it uses less digits than its factorization.

270881993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269071.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 270881993 is about 16458.4930355121. The cubic root of 270881993 is about 647.0334184822.

The spelling of 270881993 in words is "two hundred seventy million, eight hundred eighty-one thousand, nine hundred ninety-three".