1426041731 has 2 divisors, whose sum is σ = 1426041732. Its totient is φ = 1426041730.

The previous prime is 1426041647. The next prime is 1426041733. The reversal of 1426041731 is 1371406241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426041731 is a prime.

It is a super-2 number, since 2×1426041731² = 4067190037106952722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1426041733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1426041694 and 1426041703.

It is not a weakly prime, because it can be changed into another prime (1426041733) 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 as a sum of consecutive naturals, namely, 713020865 + 713020866.

It is an arithmetic number, because the mean of its divisors is an integer number (713020866).

Almost surely, 2^1426041731 is an apocalyptic number.

1426041731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426041731 is an equidigital number, since it uses as much as digits as its factorization.

1426041731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1426041731 is about 37762.9677197119. The cubic root of 1426041731 is about 1125.5827054711.

Adding to 1426041731 its reverse (1371406241), we get a palindrome (2797447972).

The spelling of 1426041731 in words is "one billion, four hundred twenty-six million, forty-one thousand, seven hundred thirty-one".