247949936983 has 8 divisors (see below), whose sum is σ = 293142782880. Its totient is φ = 205199947680.

The previous prime is 247949936981. The next prime is 247949937097. The reversal of 247949936983 is 389639949742.

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

It is not a de Polignac number, because 247949936983 - 2¹ = 247949936981 is a prime.

It is a super-2 number, since 2×247949936983² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247949936981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610713928 + ... + 610714333.

It is an arithmetic number, because the mean of its divisors is an integer number (36642847860).

Almost surely, 2^247949936983 is an apocalyptic number.

247949936983 is a deficient number, since it is larger than the sum of its proper divisors (45192845897).

247949936983 is a wasteful number, since it uses less digits than its factorization.

247949936983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221428297.

The product of its digits is 634894848, while the sum is 73.

The spelling of 247949936983 in words is "two hundred forty-seven billion, nine hundred forty-nine million, nine hundred thirty-six thousand, nine hundred eighty-three".