3177868849513 has 2 divisors, whose sum is σ = 3177868849514. Its totient is φ = 3177868849512.

The previous prime is 3177868849487. The next prime is 3177868849591. The reversal of 3177868849513 is 3159488687713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2676325858704 + 501542990809 = 1635948^2 + 708197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3177868849513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3177868849613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588934424756 + 1588934424757.

It is an arithmetic number, because the mean of its divisors is an integer number (1588934424757).

Almost surely, 2^{3177868849513} is an apocalyptic number.

It is an amenable number.

3177868849513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3177868849513 is an equidigital number, since it uses as much as digits as its factorization.

3177868849513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243855360, while the sum is 70.

The spelling of 3177868849513 in words is "three trillion, one hundred seventy-seven billion, eight hundred sixty-eight million, eight hundred forty-nine thousand, five hundred thirteen".