389061900511 has 2 divisors, whose sum is σ = 389061900512. Its totient is φ = 389061900510.

The previous prime is 389061900449. The next prime is 389061900517. The reversal of 389061900511 is 115009160983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389061900511 - 2²¹ = 389059803359 is a prime.

It is a super-2 number, since 2×389061900511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389061900517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194530950255 + 194530950256.

It is an arithmetic number, because the mean of its divisors is an integer number (194530950256).

Almost surely, 2^389061900511 is an apocalyptic number.

389061900511 is a deficient number, since it is larger than the sum of its proper divisors (1).

389061900511 is an equidigital number, since it uses as much as digits as its factorization.

389061900511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 389061900511 in words is "three hundred eighty-nine billion, sixty-one million, nine hundred thousand, five hundred eleven".