4127220383729 has 4 divisors (see below), whose sum is σ = 4127371752000. Its totient is φ = 4127069015460.

The previous prime is 4127220383723. The next prime is 4127220383749. The reversal of 4127220383729 is 9273830227214.

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 not a de Polignac number, because 4127220383729 - 2²⁰ = 4127219335153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4127220383723) 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, 75643229 + ... + 75697770.

It is an arithmetic number, because the mean of its divisors is an integer number (1031842938000).

Almost surely, 2^{4127220383729} is an apocalyptic number.

It is an amenable number.

4127220383729 is a deficient number, since it is larger than the sum of its proper divisors (151368271).

4127220383729 is a wasteful number, since it uses less digits than its factorization.

4127220383729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151368270.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 4127220383729 in words is "four trillion, one hundred twenty-seven billion, two hundred twenty million, three hundred eighty-three thousand, seven hundred twenty-nine".