1346876786431 has 24 divisors (see below), whose sum is σ = 1508799156480. Its totient is φ = 1201077643920.

The previous prime is 1346876786389. The next prime is 1346876786447.

It is a happy number.

1346876786431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1346876786431 - 2²⁵ = 1346843231999 is a prime.

It is a super-2 number, since 2×1346876786431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346876786231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3101616 + ... + 3509098.

It is an arithmetic number, because the mean of its divisors is an integer number (62866631520).

Almost surely, 2^{1346876786431} is an apocalyptic number.

1346876786431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1346876786431 is a deficient number, since it is larger than the sum of its proper divisors (161922370049).

1346876786431 is a wasteful number, since it uses less digits than its factorization.

1346876786431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408027 (or 408016 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 64.

The spelling of 1346876786431 in words is "one trillion, three hundred forty-six billion, eight hundred seventy-six million, seven hundred eighty-six thousand, four hundred thirty-one".