457208720629 has 2 divisors, whose sum is σ = 457208720630. Its totient is φ = 457208720628.

The previous prime is 457208720627. The next prime is 457208720641. The reversal of 457208720629 is 926027802754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369828178225 + 87380542404 = 608135^2 + 295602^2 .

It is a cyclic number.

It is not a de Polignac number, because 457208720629 - 2¹ = 457208720627 is a prime.

Together with 457208720627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457208720623) 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 as a sum of consecutive naturals, namely, 228604360314 + 228604360315.

It is an arithmetic number, because the mean of its divisors is an integer number (228604360315).

Almost surely, 2^457208720629 is an apocalyptic number.

It is an amenable number.

457208720629 is a deficient number, since it is larger than the sum of its proper divisors (1).

457208720629 is an equidigital number, since it uses as much as digits as its factorization.

457208720629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 457208720629 in words is "four hundred fifty-seven billion, two hundred eight million, seven hundred twenty thousand, six hundred twenty-nine".