1982735026 has 4 divisors (see below), whose sum is σ = 2974102542. Its totient is φ = 991367512.

The previous prime is 1982735023. The next prime is 1982735039. The reversal of 1982735026 is 6205372891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1956735225 + 25999801 = 44235^2 + 5099^2 .

It is not an unprimeable number, because it can be changed into a prime (1982735023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495683755 + ... + 495683758.

Almost surely, 2^1982735026 is an apocalyptic number.

1982735026 is a deficient number, since it is larger than the sum of its proper divisors (991367516).

1982735026 is an equidigital number, since it uses as much as digits as its factorization.

1982735026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991367515.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1982735026 is about 44527.9128861886. The cubic root of 1982735026 is about 1256.2851500903.

The spelling of 1982735026 in words is "one billion, nine hundred eighty-two million, seven hundred thirty-five thousand, twenty-six".