1426378903 has 2 divisors, whose sum is σ = 1426378904. Its totient is φ = 1426378902.

The previous prime is 1426378883. The next prime is 1426378907. The reversal of 1426378903 is 3098736241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1426378903 - 2⁵ = 1426378871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426378903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426378907) 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 as a sum of consecutive naturals, namely, 713189451 + 713189452.

It is an arithmetic number, because the mean of its divisors is an integer number (713189452).

Almost surely, 2^1426378903 is an apocalyptic number.

1426378903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426378903 is an equidigital number, since it uses as much as digits as its factorization.

1426378903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1426378903 is about 37767.4317765982. The cubic root of 1426378903 is about 1125.6714090616.

The spelling of 1426378903 in words is "one billion, four hundred twenty-six million, three hundred seventy-eight thousand, nine hundred three".