1347411797 has 2 divisors, whose sum is σ = 1347411798. Its totient is φ = 1347411796.

The previous prime is 1347411787. The next prime is 1347411803. The reversal of 1347411797 is 7971147431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164242641 + 183169156 = 34121^2 + 13534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347411797 - 2⁴ = 1347411781 is a prime.

It is a super-3 number, since 3×1347411797³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347411727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673705898 + 673705899.

It is an arithmetic number, because the mean of its divisors is an integer number (673705899).

Almost surely, 2^1347411797 is an apocalyptic number.

It is an amenable number.

1347411797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347411797 is an equidigital number, since it uses as much as digits as its factorization.

1347411797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 44.

The square root of 1347411797 is about 36707.1082625695. The cubic root of 1347411797 is about 1104.5026998625.

The spelling of 1347411797 in words is "one billion, three hundred forty-seven million, four hundred eleven thousand, seven hundred ninety-seven".