549472423 has 2 divisors, whose sum is σ = 549472424. Its totient is φ = 549472422.

The previous prime is 549472411. The next prime is 549472471. The reversal of 549472423 is 324274945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549472423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549472403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274736211 + 274736212.

It is an arithmetic number, because the mean of its divisors is an integer number (274736212).

Almost surely, 2^549472423 is an apocalyptic number.

549472423 is a deficient number, since it is larger than the sum of its proper divisors (1).

549472423 is an equidigital number, since it uses as much as digits as its factorization.

549472423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 549472423 is about 23440.8281210370. The cubic root of 549472423 is about 819.0592140294.

The spelling of 549472423 in words is "five hundred forty-nine million, four hundred seventy-two thousand, four hundred twenty-three".