4380688061 has 8 divisors (see below), whose sum is σ = 4798320120. Its totient is φ = 3980827648.

The previous prime is 4380688033. The next prime is 4380688073. The reversal of 4380688061 is 1608860834.

It can be written as a sum of positive squares in 4 ways, for example, as 136165561 + 4244522500 = 11669^2 + 65150^2 .

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 4380688061 - 2¹⁰ = 4380687037 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 (4380688021) 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, 4442396 + ... + 4443381.

It is an arithmetic number, because the mean of its divisors is an integer number (599790015).

Almost surely, 2^4380688061 is an apocalyptic number.

It is an amenable number.

4380688061 is a deficient number, since it is larger than the sum of its proper divisors (417632059).

4380688061 is a wasteful number, since it uses less digits than its factorization.

4380688061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885823.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 4380688061 is about 66186.7665096279. The cubic root of 4380688061 is about 1636.2416490798.

The spelling of 4380688061 in words is "four billion, three hundred eighty million, six hundred eighty-eight thousand, sixty-one".