457471919 has 4 divisors (see below), whose sum is σ = 457569840. Its totient is φ = 457374000.

The previous prime is 457471901. The next prime is 457471939. The reversal of 457471919 is 919174754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919174754 = 2 ⋅459587377.

It is a cyclic number.

It is not a de Polignac number, because 457471919 - 2¹² = 457467823 is a prime.

It is a super-2 number, since 2×457471919² = 418561113347085122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457471939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41582 + ... + 51419.

It is an arithmetic number, because the mean of its divisors is an integer number (114392460).

Almost surely, 2^457471919 is an apocalyptic number.

457471919 is a deficient number, since it is larger than the sum of its proper divisors (97921).

457471919 is an equidigital number, since it uses as much as digits as its factorization.

457471919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97920.

The product of its digits is 317520, while the sum is 47.

The square root of 457471919 is about 21388.5931982447. The cubic root of 457471919 is about 770.5275066425.

The spelling of 457471919 in words is "four hundred fifty-seven million, four hundred seventy-one thousand, nine hundred nineteen".