1982654149 has 8 divisors (see below), whose sum is σ = 2268336960. Its totient is φ = 1697582976.

The previous prime is 1982654129. The next prime is 1982654153. The reversal of 1982654149 is 9414562891.

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 1982654149 - 2¹³ = 1982645957 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 (1982654129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145939 + ... + 158944.

It is an arithmetic number, because the mean of its divisors is an integer number (283542120).

Almost surely, 2^1982654149 is an apocalyptic number.

It is an amenable number.

1982654149 is a deficient number, since it is larger than the sum of its proper divisors (285682811).

1982654149 is an equidigital number, since it uses as much as digits as its factorization.

1982654149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305819.

The product of its digits is 622080, while the sum is 49.

The square root of 1982654149 is about 44527.0047162393. The cubic root of 1982654149 is about 1256.2680683061.

The spelling of 1982654149 in words is "one billion, nine hundred eighty-two million, six hundred fifty-four thousand, one hundred forty-nine".