1426981833 has 32 divisors (see below), whose sum is σ = 2247427200. Its totient is φ = 892296000.

The previous prime is 1426981823. The next prime is 1426981867. The reversal of 1426981833 is 3381896241.

It is not a de Polignac number, because 1426981833 - 2⁶ = 1426981769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426981823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38043 + ... + 65583.

It is an arithmetic number, because the mean of its divisors is an integer number (70232100).

Almost surely, 2^1426981833 is an apocalyptic number.

It is an amenable number.

1426981833 is a deficient number, since it is larger than the sum of its proper divisors (820445367).

1426981833 is a wasteful number, since it uses less digits than its factorization.

1426981833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27670 (or 27664 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1426981833 is about 37775.4130751736. The cubic root of 1426981833 is about 1125.8299937253.

The spelling of 1426981833 in words is "one billion, four hundred twenty-six million, nine hundred eighty-one thousand, eight hundred thirty-three".