424611641 has 2 divisors, whose sum is σ = 424611642. Its totient is φ = 424611640.

The previous prime is 424611611. The next prime is 424611647. The reversal of 424611641 is 146116424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365383225 + 59228416 = 19115^2 + 7696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424611641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424611647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212305820 + 212305821.

It is an arithmetic number, because the mean of its divisors is an integer number (212305821).

Almost surely, 2^424611641 is an apocalyptic number.

It is an amenable number.

424611641 is a deficient number, since it is larger than the sum of its proper divisors (1).

424611641 is an equidigital number, since it uses as much as digits as its factorization.

424611641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 424611641 is about 20606.1068860666. The cubic root of 424611641 is about 751.6182191630.

The spelling of 424611641 in words is "four hundred twenty-four million, six hundred eleven thousand, six hundred forty-one".