481922641 has 2 divisors, whose sum is σ = 481922642. Its totient is φ = 481922640.

The previous prime is 481922627. The next prime is 481922663. The reversal of 481922641 is 146229184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480530241 + 1392400 = 21921^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481922641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481922641.

It is not a weakly prime, because it can be changed into another prime (481922671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240961320 + 240961321.

It is an arithmetic number, because the mean of its divisors is an integer number (240961321).

Almost surely, 2^481922641 is an apocalyptic number.

It is an amenable number.

481922641 is a deficient number, since it is larger than the sum of its proper divisors (1).

481922641 is an equidigital number, since it uses as much as digits as its factorization.

481922641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 481922641 is about 21952.7365264561. The cubic root of 481922641 is about 784.0175362461.

The spelling of 481922641 in words is "four hundred eighty-one million, nine hundred twenty-two thousand, six hundred forty-one".