1346784427785 has 32 divisors (see below), whose sum is σ = 2176341268608. Its totient is φ = 711123955200.

The previous prime is 1346784427777. The next prime is 1346784427799. The reversal of 1346784427785 is 5877244876431.

It is not a de Polignac number, because 1346784427785 - 2³ = 1346784427777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34769589 + ... + 34808301.

It is an arithmetic number, because the mean of its divisors is an integer number (68010664644).

Almost surely, 2^{1346784427785} is an apocalyptic number.

1346784427785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1346784427785 is a deficient number, since it is larger than the sum of its proper divisors (829556840823).

1346784427785 is a wasteful number, since it uses less digits than its factorization.

1346784427785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61785.

The product of its digits is 252887040, while the sum is 66.

The spelling of 1346784427785 in words is "one trillion, three hundred forty-six billion, seven hundred eighty-four million, four hundred twenty-seven thousand, seven hundred eighty-five".