4088121481 has 4 divisors (see below), whose sum is σ = 4093053700. Its totient is φ = 4083189264.

The previous prime is 4088121431. The next prime is 4088121487. The reversal of 4088121481 is 1841218804.

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 939116025 + 3149005456 = 30645^2 + 56116^2 .

It is a cyclic number.

It is not a de Polignac number, because 4088121481 - 2¹⁷ = 4087990409 is a prime.

It is a super-2 number, since 2×4088121481² = 33425474486827266722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4088121481.

It is not an unprimeable number, because it can be changed into a prime (4088121487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464866 + ... + 2466523.

It is an arithmetic number, because the mean of its divisors is an integer number (1023263425).

Almost surely, 2^4088121481 is an apocalyptic number.

It is an amenable number.

4088121481 is a deficient number, since it is larger than the sum of its proper divisors (4932219).

4088121481 is an equidigital number, since it uses as much as digits as its factorization.

4088121481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932218.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 4088121481 is about 63938.4194440244. The cubic root of 4088121481 is about 1598.9734927395.

The spelling of 4088121481 in words is "four billion, eighty-eight million, one hundred twenty-one thousand, four hundred eighty-one".