1426065457 has 4 divisors (see below), whose sum is σ = 1426355056. Its totient is φ = 1425775860.

The previous prime is 1426065409. The next prime is 1426065461. The reversal of 1426065457 is 7545606241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426065457 - 2¹¹ = 1426063409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426065497) 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, 137283 + ... + 147304.

It is an arithmetic number, because the mean of its divisors is an integer number (356588764).

Almost surely, 2^1426065457 is an apocalyptic number.

It is an amenable number.

1426065457 is a deficient number, since it is larger than the sum of its proper divisors (289599).

1426065457 is an equidigital number, since it uses as much as digits as its factorization.

1426065457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289598.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 1426065457 is about 37763.2818621475. The cubic root of 1426065457 is about 1125.5889477913.

The spelling of 1426065457 in words is "one billion, four hundred twenty-six million, sixty-five thousand, four hundred fifty-seven".