330388861813 has 2 divisors, whose sum is σ = 330388861814. Its totient is φ = 330388861812.

The previous prime is 330388861771. The next prime is 330388861897. The reversal of 330388861813 is 318168883033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323416277809 + 6972584004 = 568697^2 + 83502^2 .

It is a cyclic number.

It is not a de Polignac number, because 330388861813 - 2³⁷ = 192949908341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330388831813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165194430906 + 165194430907.

It is an arithmetic number, because the mean of its divisors is an integer number (165194430907).

Almost surely, 2^330388861813 is an apocalyptic number.

It is an amenable number.

330388861813 is a deficient number, since it is larger than the sum of its proper divisors (1).

330388861813 is an equidigital number, since it uses as much as digits as its factorization.

330388861813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 330388861813 in words is "three hundred thirty billion, three hundred eighty-eight million, eight hundred sixty-one thousand, eight hundred thirteen".