1347344147477 has 8 divisors (see below), whose sum is σ = 1347776811576. Its totient is φ = 1346911563712.

The previous prime is 1347344147431. The next prime is 1347344147483. The reversal of 1347344147477 is 7747414437431.

It can be written as a sum of positive squares in 4 ways, for example, as 697903184836 + 649440962641 = 835406^2 + 805879^2 .

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 1347344147477 - 2⁸ = 1347344147221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347344147417) 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, 53801603 + ... + 53826639.

It is an arithmetic number, because the mean of its divisors is an integer number (168472101447).

Almost surely, 2^{1347344147477} is an apocalyptic number.

It is an amenable number.

1347344147477 is a deficient number, since it is larger than the sum of its proper divisors (432664099).

1347344147477 is an equidigital number, since it uses as much as digits as its factorization.

1347344147477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40167.

The product of its digits is 22127616, while the sum is 56.

The spelling of 1347344147477 in words is "one trillion, three hundred forty-seven billion, three hundred forty-four million, one hundred forty-seven thousand, four hundred seventy-seven".