4455530513021 has 16 divisors (see below), whose sum is σ = 5129969120640. Its totient is φ = 3790583796480.

The previous prime is 4455530512997. The next prime is 4455530513053. The reversal of 4455530513021 is 1203150355544.

It is a cyclic number.

It is not a de Polignac number, because 4455530513021 - 2⁴² = 57484001917 is a prime.

It is a super-2 number, since 2×4455530513021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455530513521) 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 15 ways as a sum of consecutive naturals, for example, 6140210 + ... + 6827388.

It is an arithmetic number, because the mean of its divisors is an integer number (320623070040).

Almost surely, 2^{4455530513021} is an apocalyptic number.

It is an amenable number.

4455530513021 is a deficient number, since it is larger than the sum of its proper divisors (674438607619).

4455530513021 is a wasteful number, since it uses less digits than its factorization.

4455530513021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694084.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 4455530513021 its reverse (1203150355544), we get a palindrome (5658680868565).

The spelling of 4455530513021 in words is "four trillion, four hundred fifty-five billion, five hundred thirty million, five hundred thirteen thousand, twenty-one".