1826319481 has 16 divisors (see below), whose sum is σ = 2104871680. Its totient is φ = 1552219200.

The previous prime is 1826319437. The next prime is 1826319487. The reversal of 1826319481 is 1849136281.

It is not a de Polignac number, because 1826319481 - 2¹¹ = 1826317433 is a prime.

It is a super-2 number, since 2×1826319481² = 6670885693360218722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1826319487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748195 + ... + 750631.

It is an arithmetic number, because the mean of its divisors is an integer number (131554480).

Almost surely, 2^1826319481 is an apocalyptic number.

It is an amenable number.

1826319481 is a deficient number, since it is larger than the sum of its proper divisors (278552199).

1826319481 is a wasteful number, since it uses less digits than its factorization.

1826319481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its digits is 82944, while the sum is 43.

The square root of 1826319481 is about 42735.4592931912. The cubic root of 1826319481 is about 1222.3406379450.

The spelling of 1826319481 in words is "one billion, eight hundred twenty-six million, three hundred nineteen thousand, four hundred eighty-one".