10649983 has 2 divisors, whose sum is σ = 10649984. Its totient is φ = 10649982.

The previous prime is 10649981. The next prime is 10649987. The reversal of 10649983 is 38994601.

10649983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (38994601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10649983 - 2¹ = 10649981 is a prime.

It is a super-2 number, since 2×10649983² = 226844275800578, which contains 22 as substring.

Together with 10649981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10649981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324991 + 5324992.

It is an arithmetic number, because the mean of its divisors is an integer number (5324992).

Almost surely, 2^10649983 is an apocalyptic number.

10649983 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649983 is an equidigital number, since it uses as much as digits as its factorization.

10649983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 10649983 is about 3263.4311697966. The cubic root of 10649983 is about 220.0136561771.

The spelling of 10649983 in words is "ten million, six hundred forty-nine thousand, nine hundred eighty-three".