1347083681 has 2 divisors, whose sum is σ = 1347083682. Its totient is φ = 1347083680.

The previous prime is 1347083677. The next prime is 1347083729. The reversal of 1347083681 is 1863807431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783496081 + 563587600 = 27991^2 + 23740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347083681 - 2² = 1347083677 is a prime.

It is a super-3 number, since 3×1347083681³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1347083581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673541840 + 673541841.

It is an arithmetic number, because the mean of its divisors is an integer number (673541841).

Almost surely, 2^1347083681 is an apocalyptic number.

It is an amenable number.

1347083681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347083681 is an equidigital number, since it uses as much as digits as its factorization.

1347083681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1347083681 is about 36702.6386108683. The cubic root of 1347083681 is about 1104.4130379814.

The spelling of 1347083681 in words is "one billion, three hundred forty-seven million, eighty-three thousand, six hundred eighty-one".