1347435737489 has 2 divisors, whose sum is σ = 1347435737490. Its totient is φ = 1347435737488.

The previous prime is 1347435737399. The next prime is 1347435737503. The reversal of 1347435737489 is 9847375347431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1252534773889 + 94900963600 = 1119167^2 + 308060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347435737489 - 2²⁰ = 1347434688913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1347435737689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673717868744 + 673717868745.

It is an arithmetic number, because the mean of its divisors is an integer number (673717868745).

Almost surely, 2^{1347435737489} is an apocalyptic number.

It is an amenable number.

1347435737489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347435737489 is an equidigital number, since it uses as much as digits as its factorization.

1347435737489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213373440, while the sum is 65.

The spelling of 1347435737489 in words is "one trillion, three hundred forty-seven billion, four hundred thirty-five million, seven hundred thirty-seven thousand, four hundred eighty-nine".