1426837849 has 4 divisors (see below), whose sum is σ = 1432758580. Its totient is φ = 1420917120.

The previous prime is 1426837847. The next prime is 1426837883. The reversal of 1426837849 is 9487386241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1051834624 + 375003225 = 32432^2 + 19365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426837849 - 2¹ = 1426837847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426837796 and 1426837805.

It is not an unprimeable number, because it can be changed into a prime (1426837847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960004 + ... + 2960485.

It is an arithmetic number, because the mean of its divisors is an integer number (358189645).

Almost surely, 2^1426837849 is an apocalyptic number.

It is an amenable number.

1426837849 is a deficient number, since it is larger than the sum of its proper divisors (5920731).

1426837849 is an equidigital number, since it uses as much as digits as its factorization.

1426837849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920730.

The product of its digits is 2322432, while the sum is 52.

The square root of 1426837849 is about 37773.5072372159. The cubic root of 1426837849 is about 1125.7921266331.

The spelling of 1426837849 in words is "one billion, four hundred twenty-six million, eight hundred thirty-seven thousand, eight hundred forty-nine".