1346426946681 has 8 divisors (see below), whose sum is σ = 1795242168480. Its totient is φ = 897614844672.

The previous prime is 1346426946671. The next prime is 1346426946701. The reversal of 1346426946681 is 1866496246431.

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

It is not a de Polignac number, because 1346426946681 - 2²⁵ = 1346393392249 is a prime.

It is a super-2 number, since 2×1346426946681² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1346426946611) 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, 552025 + ... + 1731353.

It is an arithmetic number, because the mean of its divisors is an integer number (224405271060).

Almost surely, 2^{1346426946681} is an apocalyptic number.

It is an amenable number.

1346426946681 is a deficient number, since it is larger than the sum of its proper divisors (448815221799).

1346426946681 is a wasteful number, since it uses less digits than its factorization.

1346426946681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559895.

The product of its digits is 35831808, while the sum is 60.

The spelling of 1346426946681 in words is "one trillion, three hundred forty-six billion, four hundred twenty-six million, nine hundred forty-six thousand, six hundred eighty-one".