4121744557 has 4 divisors (see below), whose sum is σ = 4710565216. Its totient is φ = 3532923900.

The previous prime is 4121744551. The next prime is 4121744579. The reversal of 4121744557 is 7554471214.

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 4121744557 - 2³¹ = 1974260909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121744551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294410319 + ... + 294410332.

It is an arithmetic number, because the mean of its divisors is an integer number (1177641304).

Almost surely, 2^4121744557 is an apocalyptic number.

It is an amenable number.

4121744557 is a deficient number, since it is larger than the sum of its proper divisors (588820659).

4121744557 is an equidigital number, since it uses as much as digits as its factorization.

4121744557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588820658.

The product of its digits is 156800, while the sum is 40.

The square root of 4121744557 is about 64200.8143016894. The cubic root of 4121744557 is about 1603.3451571875.

The spelling of 4121744557 in words is "four billion, one hundred twenty-one million, seven hundred forty-four thousand, five hundred fifty-seven".