1982263673 has 32 divisors (see below), whose sum is σ = 2287084800. Its totient is φ = 1702944000.

The previous prime is 1982263663. The next prime is 1982263687. The reversal of 1982263673 is 3763622891.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1982263673 - 2⁸ = 1982263417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982263603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4515188 + ... + 4515626.

It is an arithmetic number, because the mean of its divisors is an integer number (71471400).

Almost surely, 2^1982263673 is an apocalyptic number.

1982263673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1982263673 is a deficient number, since it is larger than the sum of its proper divisors (304821127).

1982263673 is a wasteful number, since it uses less digits than its factorization.

1982263673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its digits is 653184, while the sum is 47.

The square root of 1982263673 is about 44522.6197903942. The cubic root of 1982263673 is about 1256.1855905262.

The spelling of 1982263673 in words is "one billion, nine hundred eighty-two million, two hundred sixty-three thousand, six hundred seventy-three".