1982949007 has 16 divisors (see below), whose sum is σ = 2215648512. Its totient is φ = 1762306560.

The previous prime is 1982948993. The next prime is 1982949011. The reversal of 1982949007 is 7009492891.

It is a cyclic number.

It is not a de Polignac number, because 1982949007 - 2⁷ = 1982948879 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 (1982949107) 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 15 ways as a sum of consecutive naturals, for example, 66903 + ... + 91879.

It is an arithmetic number, because the mean of its divisors is an integer number (138478032).

Almost surely, 2^1982949007 is an apocalyptic number.

1982949007 is a deficient number, since it is larger than the sum of its proper divisors (232699505).

1982949007 is a wasteful number, since it uses less digits than its factorization.

1982949007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25218.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1982949007 is about 44530.3155951089. The cubic root of 1982949007 is about 1256.3303421237.

The spelling of 1982949007 in words is "one billion, nine hundred eighty-two million, nine hundred forty-nine thousand, seven".