1426011949 has 2 divisors, whose sum is σ = 1426011950. Its totient is φ = 1426011948.

The previous prime is 1426011947. The next prime is 1426011991. The reversal of 1426011949 is 9491106241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836250724 + 589761225 = 28918^2 + 24285^2 .

It is an emirp because it is prime and its reverse (9491106241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426011949 - 2¹ = 1426011947 is a prime.

Together with 1426011947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426011947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713005974 + 713005975.

It is an arithmetic number, because the mean of its divisors is an integer number (713005975).

Almost surely, 2^1426011949 is an apocalyptic number.

It is an amenable number.

1426011949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426011949 is an equidigital number, since it uses as much as digits as its factorization.

1426011949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1426011949 is about 37762.5733895348. The cubic root of 1426011949 is about 1125.5748697169.

The spelling of 1426011949 in words is "one billion, four hundred twenty-six million, eleven thousand, nine hundred forty-nine".