380017813681 has 16 divisors (see below), whose sum is σ = 428226306048. Its totient is φ = 334101243600.

The previous prime is 380017813673. The next prime is 380017813691. The reversal of 380017813681 is 186318710083.

It is a cyclic number.

It is not a de Polignac number, because 380017813681 - 2³ = 380017813673 is a prime.

It is a super-2 number, since 2×380017813681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380017813661) 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, 132346 + ... + 881788.

It is an arithmetic number, because the mean of its divisors is an integer number (26764144128).

Almost surely, 2^380017813681 is an apocalyptic number.

380017813681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

380017813681 is a deficient number, since it is larger than the sum of its proper divisors (48208492367).

380017813681 is a wasteful number, since it uses less digits than its factorization.

380017813681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750972.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 380017813681 in words is "three hundred eighty billion, seventeen million, eight hundred thirteen thousand, six hundred eighty-one".