1426041391 has 2 divisors, whose sum is σ = 1426041392. Its totient is φ = 1426041390.

The previous prime is 1426041359. The next prime is 1426041437. The reversal of 1426041391 is 1931406241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426041391 - 2⁵ = 1426041359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426041341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713020695 + 713020696.

It is an arithmetic number, because the mean of its divisors is an integer number (713020696).

Almost surely, 2^1426041391 is an apocalyptic number.

1426041391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426041391 is an equidigital number, since it uses as much as digits as its factorization.

1426041391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1426041391 is about 37762.9632179468. The cubic root of 1426041391 is about 1125.5826160164.

The spelling of 1426041391 in words is "one billion, four hundred twenty-six million, forty-one thousand, three hundred ninety-one".