424453967522 has 18 divisors (see below), whose sum is σ = 689443207443. Its totient is φ = 195896302992.

The previous prime is 424453967501. The next prime is 424453967569. The reversal of 424453967522 is 225769354424.

It can be written as a sum of positive squares in 5 ways, for example, as 248321825761 + 176132141761 = 498319^2 + 419681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=460681.

It is a super-2 number, since 2×424453967522² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11959988 + ... + 11995424.

Almost surely, 2^424453967522 is an apocalyptic number.

424453967522 is a deficient number, since it is larger than the sum of its proper divisors (264989239921).

424453967522 is an frugal number, since it uses more digits than its factorization.

424453967522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70902 (or 35452 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 53.

The spelling of 424453967522 in words is "four hundred twenty-four billion, four hundred fifty-three million, nine hundred sixty-seven thousand, five hundred twenty-two".