385814374721 has 16 divisors (see below), whose sum is σ = 409296319488. Its totient is φ = 363035649600.

The previous prime is 385814374697. The next prime is 385814374789. The reversal of 385814374721 is 127473418583.

It is a cyclic number.

It is not a de Polignac number, because 385814374721 - 2¹⁰ = 385814373697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385814374021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621811 + ... + 1844423.

It is an arithmetic number, because the mean of its divisors is an integer number (25581019968).

Almost surely, 2^385814374721 is an apocalyptic number.

385814374721 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

385814374721 is a deficient number, since it is larger than the sum of its proper divisors (23481944767).

385814374721 is a wasteful number, since it uses less digits than its factorization.

385814374721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224192.

The product of its digits is 4515840, while the sum is 53.

The spelling of 385814374721 in words is "three hundred eighty-five billion, eight hundred fourteen million, three hundred seventy-four thousand, seven hundred twenty-one".