549100469 has 2 divisors, whose sum is σ = 549100470. Its totient is φ = 549100468.

The previous prime is 549100463. The next prime is 549100523. The reversal of 549100469 is 964001945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464919844 + 84180625 = 21562^2 + 9175^2 .

It is a cyclic number.

It is not a de Polignac number, because 549100469 - 2¹⁶ = 549034933 is a prime.

It is a super-2 number, since 2×549100469² = 603022650112039922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549100463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274550234 + 274550235.

It is an arithmetic number, because the mean of its divisors is an integer number (274550235).

Almost surely, 2^549100469 is an apocalyptic number.

It is an amenable number.

549100469 is a deficient number, since it is larger than the sum of its proper divisors (1).

549100469 is an equidigital number, since it uses as much as digits as its factorization.

549100469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 549100469 is about 23432.8928858560. The cubic root of 549100469 is about 818.8743572428.

The spelling of 549100469 in words is "five hundred forty-nine million, one hundred thousand, four hundred sixty-nine".