475964149 has 2 divisors, whose sum is σ = 475964150. Its totient is φ = 475964148.

The previous prime is 475964101. The next prime is 475964171. The reversal of 475964149 is 941469574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 180364900 = 17193^2 + 13430^2 .

It is a cyclic number.

It is not a de Polignac number, because 475964149 - 2²¹ = 473866997 is a prime.

It is a super-2 number, since 2×475964149² = 453083742266588402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475964179) 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, 237982074 + 237982075.

It is an arithmetic number, because the mean of its divisors is an integer number (237982075).

Almost surely, 2^475964149 is an apocalyptic number.

It is an amenable number.

475964149 is a deficient number, since it is larger than the sum of its proper divisors (1).

475964149 is an equidigital number, since it uses as much as digits as its factorization.

475964149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 475964149 is about 21816.6025998550. The cubic root of 475964149 is about 780.7729293097.

The spelling of 475964149 in words is "four hundred seventy-five million, nine hundred sixty-four thousand, one hundred forty-nine".