1426634007881 has 8 divisors (see below), whose sum is σ = 1460227479744. Its totient is φ = 1393059442320.

The previous prime is 1426634007853. The next prime is 1426634007919. The reversal of 1426634007881 is 1887004366241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426634007881 - 2¹⁸ = 1426633745737 is a prime.

It is a super-2 number, since 2×1426634007881² (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 (1426634007481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4573826 + ... + 4875771.

It is an arithmetic number, because the mean of its divisors is an integer number (182528434968).

Almost surely, 2^{1426634007881} is an apocalyptic number.

It is an amenable number.

1426634007881 is a deficient number, since it is larger than the sum of its proper divisors (33593471863).

1426634007881 is an equidigital number, since it uses as much as digits as its factorization.

1426634007881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453151.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 1426634007881 in words is "one trillion, four hundred twenty-six billion, six hundred thirty-four million, seven thousand, eight hundred eighty-one".