1426454405 has 4 divisors (see below), whose sum is σ = 1711745292. Its totient is φ = 1141163520.

The previous prime is 1426454363. The next prime is 1426454413. The reversal of 1426454405 is 5044546241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 724363396 + 702091009 = 26914^2 + 26497^2 .

It is not a de Polignac number, because 1426454405 - 2⁸ = 1426454149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142645436 + ... + 142645445.

It is an arithmetic number, because the mean of its divisors is an integer number (427936323).

Almost surely, 2^1426454405 is an apocalyptic number.

It is an amenable number.

1426454405 is a deficient number, since it is larger than the sum of its proper divisors (285290887).

1426454405 is an equidigital number, since it uses as much as digits as its factorization.

1426454405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285290886.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 1426454405 is about 37768.4313282932. The cubic root of 1426454405 is about 1125.6912702974.

The spelling of 1426454405 in words is "one billion, four hundred twenty-six million, four hundred fifty-four thousand, four hundred five".