4315554121 has 4 divisors (see below), whose sum is σ = 4323302532. Its totient is φ = 4307805712.

The previous prime is 4315554077. The next prime is 4315554149. The reversal of 4315554121 is 1214555134.

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 874089225 + 3441464896 = 29565^2 + 58664^2 .

It is a cyclic number.

It is not a de Polignac number, because 4315554121 - 2⁷ = 4315553993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4315554821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3873370 + ... + 3874483.

It is an arithmetic number, because the mean of its divisors is an integer number (1080825633).

Almost surely, 2^4315554121 is an apocalyptic number.

It is an amenable number.

4315554121 is a deficient number, since it is larger than the sum of its proper divisors (7748411).

4315554121 is an equidigital number, since it uses as much as digits as its factorization.

4315554121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748410.

The product of its digits is 12000, while the sum is 31.

The square root of 4315554121 is about 65692.8772470806. The cubic root of 4315554121 is about 1628.0916757662.

The spelling of 4315554121 in words is "four billion, three hundred fifteen million, five hundred fifty-four thousand, one hundred twenty-one".