1982975313 has 16 divisors (see below), whose sum is σ = 2885078016. Its totient is φ = 1201490640.

The previous prime is 1982975303. The next prime is 1982975329. The reversal of 1982975313 is 3135792891.

It is not a de Polignac number, because 1982975313 - 2¹² = 1982971217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982975303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220756 + ... + 229562.

It is an arithmetic number, because the mean of its divisors is an integer number (180317376).

Almost surely, 2^1982975313 is an apocalyptic number.

It is an amenable number.

1982975313 is a deficient number, since it is larger than the sum of its proper divisors (902102703).

1982975313 is a wasteful number, since it uses less digits than its factorization.

1982975313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644.

The product of its digits is 408240, while the sum is 48.

The square root of 1982975313 is about 44530.6109659412. The cubic root of 1982975313 is about 1256.3358976338.

The spelling of 1982975313 in words is "one billion, nine hundred eighty-two million, nine hundred seventy-five thousand, three hundred thirteen".