481669757 has 2 divisors, whose sum is σ = 481669758. Its totient is φ = 481669756.

The previous prime is 481669739. The next prime is 481669759. The reversal of 481669757 is 757966184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441588196 + 40081561 = 21014^2 + 6331^2 .

It is a cyclic number.

It is not a de Polignac number, because 481669757 - 2¹⁸ = 481407613 is a prime.

Together with 481669759, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 481669699 and 481669708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481669759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240834878 + 240834879.

It is an arithmetic number, because the mean of its divisors is an integer number (240834879).

Almost surely, 2^481669757 is an apocalyptic number.

It is an amenable number.

481669757 is a deficient number, since it is larger than the sum of its proper divisors (1).

481669757 is an equidigital number, since it uses as much as digits as its factorization.

481669757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 481669757 is about 21946.9760331577. The cubic root of 481669757 is about 783.8803771787.

The spelling of 481669757 in words is "four hundred eighty-one million, six hundred sixty-nine thousand, seven hundred fifty-seven".