4057099481521 has 4 divisors (see below), whose sum is σ = 4270631033200. Its totient is φ = 3843567929844.

The previous prime is 4057099481489. The next prime is 4057099481551. The reversal of 4057099481521 is 1251849907504.

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 4057099481521 - 2⁵ = 4057099481489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057099481551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106765775811 + ... + 106765775848.

It is an arithmetic number, because the mean of its divisors is an integer number (1067657758300).

Almost surely, 2^{4057099481521} is an apocalyptic number.

It is an amenable number.

4057099481521 is a deficient number, since it is larger than the sum of its proper divisors (213531551679).

4057099481521 is a wasteful number, since it uses less digits than its factorization.

4057099481521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213531551678.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 4057099481521 in words is "four trillion, fifty-seven billion, ninety-nine million, four hundred eighty-one thousand, five hundred twenty-one".