385029169623 has 12 divisors (see below), whose sum is σ = 635603708688. Its totient is φ = 220016668320.

The previous prime is 385029169579. The next prime is 385029169633. The reversal of 385029169623 is 326961920583.

385029169623 is a `hidden beast` number, since 3 + 8 + 5 + 0 + 2 + 9 + 1 + 6 + 9 + 623 = 666.

It is not a de Polignac number, because 385029169623 - 2⁶ = 385029169559 is a prime.

It is a super-2 number, since 2×385029169623² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385029169623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385029169633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3055786998 + ... + 3055787123.

It is an arithmetic number, because the mean of its divisors is an integer number (52966975724).

Almost surely, 2^385029169623 is an apocalyptic number.

385029169623 is a deficient number, since it is larger than the sum of its proper divisors (250574539065).

385029169623 is a wasteful number, since it uses less digits than its factorization.

385029169623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111574134 (or 6111574131 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 385029169623 in words is "three hundred eighty-five billion, twenty-nine million, one hundred sixty-nine thousand, six hundred twenty-three".