1426562497 has 4 divisors (see below), whose sum is σ = 1510477956. Its totient is φ = 1342647040.

The previous prime is 1426562483. The next prime is 1426562507. The reversal of 1426562497 is 7942656241.

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 1059111936 + 367450561 = 32544^2 + 19169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426562497 - 2¹⁹ = 1426038209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426562407) 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, 41957704 + ... + 41957737.

It is an arithmetic number, because the mean of its divisors is an integer number (377619489).

Almost surely, 2^1426562497 is an apocalyptic number.

1426562497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1426562497 is a deficient number, since it is larger than the sum of its proper divisors (83915459).

1426562497 is an equidigital number, since it uses as much as digits as its factorization.

1426562497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83915458.

The product of its digits is 725760, while the sum is 46.

The square root of 1426562497 is about 37769.8622846311. The cubic root of 1426562497 is about 1125.7197033004.

The spelling of 1426562497 in words is "one billion, four hundred twenty-six million, five hundred sixty-two thousand, four hundred ninety-seven".