4380665530121 has 4 divisors (see below), whose sum is σ = 4383607550100. Its totient is φ = 4377723510144.

The previous prime is 4380665530103. The next prime is 4380665530187. The reversal of 4380665530121 is 1210355660834.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2746842169600 + 1633823360521 = 1657360^2 + 1278211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4380665530121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4380665590121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471007756 + ... + 1471010733.

It is an arithmetic number, because the mean of its divisors is an integer number (1095901887525).

Almost surely, 2^{4380665530121} is an apocalyptic number.

It is an amenable number.

4380665530121 is a deficient number, since it is larger than the sum of its proper divisors (2942019979).

4380665530121 is a wasteful number, since it uses less digits than its factorization.

4380665530121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942019978.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 4380665530121 in words is "four trillion, three hundred eighty billion, six hundred sixty-five million, five hundred thirty thousand, one hundred twenty-one".