1347374641 has 2 divisors, whose sum is σ = 1347374642. Its totient is φ = 1347374640.

The previous prime is 1347374591. The next prime is 1347374653. The reversal of 1347374641 is 1464737431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284505600 + 62869041 = 35840^2 + 7929^2 .

It is an emirp because it is prime and its reverse (1464737431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347374641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1347374594 and 1347374603.

It is not a weakly prime, because it can be changed into another prime (1347377641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673687320 + 673687321.

It is an arithmetic number, because the mean of its divisors is an integer number (673687321).

Almost surely, 2^1347374641 is an apocalyptic number.

It is an amenable number.

1347374641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347374641 is an equidigital number, since it uses as much as digits as its factorization.

1347374641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 1347374641 is about 36706.6021445734. The cubic root of 1347374641 is about 1104.4925472426.

The spelling of 1347374641 in words is "one billion, three hundred forty-seven million, three hundred seventy-four thousand, six hundred forty-one".