424932745561 has 16 divisors (see below), whose sum is σ = 430888550400. Its totient is φ = 419032047168.

The previous prime is 424932745519. The next prime is 424932745591. The reversal of 424932745561 is 165547239424.

It is a cyclic number.

It is not a de Polignac number, because 424932745561 - 2¹⁷ = 424932614489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424932745499 and 424932745508.

It is not an unprimeable number, because it can be changed into a prime (424932745591) 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 15 ways as a sum of consecutive naturals, for example, 10039080 + ... + 10081318.

It is an arithmetic number, because the mean of its divisors is an integer number (26930534400).

Almost surely, 2^424932745561 is an apocalyptic number.

It is an amenable number.

424932745561 is a deficient number, since it is larger than the sum of its proper divisors (5955804839).

424932745561 is a wasteful number, since it uses less digits than its factorization.

424932745561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42888.

The product of its digits is 7257600, while the sum is 52.

The spelling of 424932745561 in words is "four hundred twenty-four billion, nine hundred thirty-two million, seven hundred forty-five thousand, five hundred sixty-one".