2149757983 has 8 divisors (see below), whose sum is σ = 2270280320. Its totient is φ = 2029973400.

The previous prime is 2149757923. The next prime is 2149757993. The reversal of 2149757983 is 3897579412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149757983 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 (2149757923) 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, 178443 + ... + 190108.

It is an arithmetic number, because the mean of its divisors is an integer number (283785040).

Almost surely, 2^2149757983 is an apocalyptic number.

2149757983 is a deficient number, since it is larger than the sum of its proper divisors (120522337).

2149757983 is a wasteful number, since it uses less digits than its factorization.

2149757983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368877.

The product of its digits is 3810240, while the sum is 55.

The square root of 2149757983 is about 46365.4826676052. The cubic root of 2149757983 is about 1290.6144505842.

The spelling of 2149757983 in words is "two billion, one hundred forty-nine million, seven hundred fifty-seven thousand, nine hundred eighty-three".