99470549 has 2 divisors, whose sum is σ = 99470550. Its totient is φ = 99470548.

The previous prime is 99470543. The next prime is 99470597. The reversal of 99470549 is 94507499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95687524 + 3783025 = 9782^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 99470549 - 2¹⁶ = 99405013 is a prime.

It is a super-2 number, since 2×99470549² = 19788780236722802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99470543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49735274 + 49735275.

It is an arithmetic number, because the mean of its divisors is an integer number (49735275).

Almost surely, 2^99470549 is an apocalyptic number.

It is an amenable number.

99470549 is a deficient number, since it is larger than the sum of its proper divisors (1).

99470549 is an equidigital number, since it uses as much as digits as its factorization.

99470549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 99470549 is about 9973.4923171375. The cubic root of 99470549 is about 463.3382687856.

The spelling of 99470549 in words is "ninety-nine million, four hundred seventy thousand, five hundred forty-nine".