1426253340163 has 4 divisors (see below), whose sum is σ = 1426256543008. Its totient is φ = 1426250137320.

The previous prime is 1426253340139. The next prime is 1426253340167. The reversal of 1426253340163 is 3610433526241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426253340163 is a prime.

It is a super-2 number, since 2×1426253340163² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426253340167) 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, 799656 + ... + 1868677.

It is an arithmetic number, because the mean of its divisors is an integer number (356564135752).

Almost surely, 2^{1426253340163} is an apocalyptic number.

1426253340163 is a deficient number, since it is larger than the sum of its proper divisors (3202845).

1426253340163 is an equidigital number, since it uses as much as digits as its factorization.

1426253340163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202844.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 1426253340163 in words is "one trillion, four hundred twenty-six billion, two hundred fifty-three million, three hundred forty thousand, one hundred sixty-three".