1145664742813 has 2 divisors, whose sum is σ = 1145664742814. Its totient is φ = 1145664742812.

The previous prime is 1145664742661. The next prime is 1145664742837. The reversal of 1145664742813 is 3182474665411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577899478809 + 567765264004 = 760197^2 + 753502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145664742813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145664742613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572832371406 + 572832371407.

It is an arithmetic number, because the mean of its divisors is an integer number (572832371407).

Almost surely, 2^{1145664742813} is an apocalyptic number.

It is an amenable number.

1145664742813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145664742813 is an equidigital number, since it uses as much as digits as its factorization.

1145664742813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The spelling of 1145664742813 in words is "one trillion, one hundred forty-five billion, six hundred sixty-four million, seven hundred forty-two thousand, eight hundred thirteen".