4659840121777 has 4 divisors (see below), whose sum is σ = 4659847234416. Its totient is φ = 4659833009140.

The previous prime is 4659840121733. The next prime is 4659840121801. The reversal of 4659840121777 is 7771210489564.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4659840121777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4659840128777) 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, 2461183 + ... + 3921364.

It is an arithmetic number, because the mean of its divisors is an integer number (1164961808604).

Almost surely, 2^{4659840121777} is an apocalyptic number.

It is an amenable number.

4659840121777 is a deficient number, since it is larger than the sum of its proper divisors (7112639).

4659840121777 is an equidigital number, since it uses as much as digits as its factorization.

4659840121777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112638.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 4659840121777 in words is "four trillion, six hundred fifty-nine billion, eight hundred forty million, one hundred twenty-one thousand, seven hundred seventy-seven".