457354789 has 2 divisors, whose sum is σ = 457354790. Its totient is φ = 457354788.

The previous prime is 457354787. The next prime is 457354801. The reversal of 457354789 is 987453754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451902564 + 5452225 = 21258^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 457354789 - 2¹ = 457354787 is a prime.

Together with 457354787, 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 (457354787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228677394 + 228677395.

It is an arithmetic number, because the mean of its divisors is an integer number (228677395).

Almost surely, 2^457354789 is an apocalyptic number.

It is an amenable number.

457354789 is a deficient number, since it is larger than the sum of its proper divisors (1).

457354789 is an equidigital number, since it uses as much as digits as its factorization.

457354789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 52.

The square root of 457354789 is about 21385.8548812059. The cubic root of 457354789 is about 770.4617396983.

The spelling of 457354789 in words is "four hundred fifty-seven million, three hundred fifty-four thousand, seven hundred eighty-nine".