424522212545 has 4 divisors (see below), whose sum is σ = 509426655060. Its totient is φ = 339617770032.

The previous prime is 424522212511. The next prime is 424522212649. The reversal of 424522212545 is 545212225424.

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 121621680049 + 302900532496 = 348743^2 + 550364^2 .

It is a cyclic number.

It is not a de Polignac number, because 424522212545 - 2²⁴ = 424505435329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424522212499 and 424522212508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42452221250 + ... + 42452221259.

It is an arithmetic number, because the mean of its divisors is an integer number (127356663765).

Almost surely, 2^424522212545 is an apocalyptic number.

It is an amenable number.

424522212545 is a deficient number, since it is larger than the sum of its proper divisors (84904442515).

424522212545 is an equidigital number, since it uses as much as digits as its factorization.

424522212545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84904442514.

The product of its digits is 256000, while the sum is 38.

Adding to 424522212545 its reverse (545212225424), we get a palindrome (969734437969).

The spelling of 424522212545 in words is "four hundred twenty-four billion, five hundred twenty-two million, two hundred twelve thousand, five hundred forty-five".