1426407171247 has 16 divisors (see below), whose sum is σ = 1538529189120. Its totient is φ = 1317497780608.

The previous prime is 1426407171187. The next prime is 1426407171289. The reversal of 1426407171247 is 7421717046241.

It is a cyclic number.

It is not a de Polignac number, because 1426407171247 - 2²³ = 1426398782639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426407171197 and 1426407171206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426407172247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622603 + ... + 1800124.

It is an arithmetic number, because the mean of its divisors is an integer number (96158074320).

Almost surely, 2^{1426407171247} is an apocalyptic number.

1426407171247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1426407171247 is a deficient number, since it is larger than the sum of its proper divisors (112122017873).

1426407171247 is a wasteful number, since it uses less digits than its factorization.

1426407171247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423390.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 1426407171247 in words is "one trillion, four hundred twenty-six billion, four hundred seven million, one hundred seventy-one thousand, two hundred forty-seven".