1420747218593 has 2 divisors, whose sum is σ = 1420747218594. Its totient is φ = 1420747218592.

The previous prime is 1420747218533. The next prime is 1420747218643. The reversal of 1420747218593 is 3958127470241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1419893877649 + 853340944 = 1191593^2 + 29212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420747218593 - 2²⁰ = 1420746170017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420747218533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710373609296 + 710373609297.

It is an arithmetic number, because the mean of its divisors is an integer number (710373609297).

Almost surely, 2^{1420747218593} is an apocalyptic number.

It is an amenable number.

1420747218593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420747218593 is an equidigital number, since it uses as much as digits as its factorization.

1420747218593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 1420747218593 in words is "one trillion, four hundred twenty billion, seven hundred forty-seven million, two hundred eighteen thousand, five hundred ninety-three".