424500221205541 has 4 divisors (see below), whose sum is σ = 457154084375212. Its totient is φ = 391846358035872.

The previous prime is 424500221205517. The next prime is 424500221205551. The reversal of 424500221205541 is 145502122005424.

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 16921055017441 + 407579166188100 = 4113521^2 + 20188590^2 .

It is a cyclic number.

It is not a de Polignac number, because 424500221205541 - 2¹⁵ = 424500221172773 is a prime.

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 424500221205541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424500221205551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16326931584816 + ... + 16326931584841.

It is an arithmetic number, because the mean of its divisors is an integer number (114288521093803).

Almost surely, 2^{424500221205541} is an apocalyptic number.

It is an amenable number.

424500221205541 is a deficient number, since it is larger than the sum of its proper divisors (32653863169671).

424500221205541 is a wasteful number, since it uses less digits than its factorization.

424500221205541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32653863169670.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 424500221205541 in words is "four hundred twenty-four trillion, five hundred billion, two hundred twenty-one million, two hundred five thousand, five hundred forty-one".