1426053091 has 4 divisors (see below), whose sum is σ = 1426998384. Its totient is φ = 1425107800.

The previous prime is 1426053073. The next prime is 1426053133. The reversal of 1426053091 is 1903506241.

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

It is a cyclic number.

It is not a de Polignac number, because 1426053091 - 2¹¹ = 1426051043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426053071) 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, 470380 + ... + 473401.

It is an arithmetic number, because the mean of its divisors is an integer number (356749596).

Almost surely, 2^1426053091 is an apocalyptic number.

1426053091 is a deficient number, since it is larger than the sum of its proper divisors (945293).

1426053091 is an equidigital number, since it uses as much as digits as its factorization.

1426053091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945292.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1426053091 is about 37763.1181313196. The cubic root of 1426053091 is about 1125.5856943003.

The spelling of 1426053091 in words is "one billion, four hundred twenty-six million, fifty-three thousand, ninety-one".