4380343681 has 12 divisors (see below), whose sum is σ = 5096583408. Its totient is φ = 3753783432.

The previous prime is 4380343673. The next prime is 4380343699. The reversal of 4380343681 is 1863430834.

It is not a de Polignac number, because 4380343681 - 2³ = 4380343673 is a prime.

It is a super-2 number, since 2×4380343681² = 38374821527353259522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4380343601) 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, 421510 + ... + 431776.

It is an arithmetic number, because the mean of its divisors is an integer number (424715284).

Almost surely, 2^4380343681 is an apocalyptic number.

It is an amenable number.

4380343681 is a deficient number, since it is larger than the sum of its proper divisors (716239727).

4380343681 is a wasteful number, since it uses less digits than its factorization.

4380343681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988 (or 18981 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 4380343681 is about 66184.1648810348. The cubic root of 4380343681 is about 1636.1987712139.

The spelling of 4380343681 in words is "four billion, three hundred eighty million, three hundred forty-three thousand, six hundred eighty-one".