4171979557 has 4 divisors (see below), whose sum is σ = 4172881216. Its totient is φ = 4171077900.

The previous prime is 4171979543. The next prime is 4171979563. The reversal of 4171979557 is 7559791714.

4171979557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4171979557 - 2¹⁵ = 4171946789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4171979498 and 4171979507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171979657) 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, 443853 + ... + 453154.

It is an arithmetic number, because the mean of its divisors is an integer number (1043220304).

Almost surely, 2^4171979557 is an apocalyptic number.

It is an amenable number.

4171979557 is a deficient number, since it is larger than the sum of its proper divisors (901659).

4171979557 is an equidigital number, since it uses as much as digits as its factorization.

4171979557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901658.

The product of its digits is 2778300, while the sum is 55.

The square root of 4171979557 is about 64590.8627980769. The cubic root of 4171979557 is about 1609.8326224157.

The spelling of 4171979557 in words is "four billion, one hundred seventy-one million, nine hundred seventy-nine thousand, five hundred fifty-seven".