1347221763425 has 12 divisors (see below), whose sum is σ = 1768822927596. Its totient is φ = 1014378739200.

The previous prime is 1347221763409. The next prime is 1347221763431. The reversal of 1347221763425 is 5243671227431.

It can be written as a sum of positive squares in 6 ways, for example, as 32566894369 + 1314654869056 = 180463^2 + 1146584^2 .

It is not a de Polignac number, because 1347221763425 - 2⁴ = 1347221763409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1347221763425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584966356 + ... + 1584967205.

It is an arithmetic number, because the mean of its divisors is an integer number (147401910633).

Almost surely, 2^{1347221763425} is an apocalyptic number.

It is an amenable number.

1347221763425 is a deficient number, since it is larger than the sum of its proper divisors (421601164171).

1347221763425 is a wasteful number, since it uses less digits than its factorization.

1347221763425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169933588 (or 3169933583 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 1347221763425 in words is "one trillion, three hundred forty-seven billion, two hundred twenty-one million, seven hundred sixty-three thousand, four hundred twenty-five".