389061906511 has 8 divisors (see below), whose sum is σ = 401632990848. Its totient is φ = 376492116000.

The previous prime is 389061906469. The next prime is 389061906523. The reversal of 389061906511 is 115609160983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389061906511 - 2¹⁹ = 389061382223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389061900511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307221 + ... + 934081.

It is an arithmetic number, because the mean of its divisors is an integer number (50204123856).

Almost surely, 2^389061906511 is an apocalyptic number.

389061906511 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

389061906511 is a deficient number, since it is larger than the sum of its proper divisors (12571084337).

389061906511 is a wasteful number, since it uses less digits than its factorization.

389061906511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646913.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 389061906511 in words is "three hundred eighty-nine billion, sixty-one million, nine hundred six thousand, five hundred eleven".