63480869 has 2 divisors, whose sum is σ = 63480870. Its totient is φ = 63480868.

The previous prime is 63480847. The next prime is 63480871. The reversal of 63480869 is 96808436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 26112100 = 6113^2 + 5110^2 .

It is a cyclic number.

It is not a de Polignac number, because 63480869 - 2¹⁶ = 63415333 is a prime.

It is a super-2 number, since 2×63480869² = 8059641457990322, which contains 22 as substring.

Together with 63480871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63480829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31740434 + 31740435.

It is an arithmetic number, because the mean of its divisors is an integer number (31740435).

Almost surely, 2^63480869 is an apocalyptic number.

It is an amenable number.

63480869 is a deficient number, since it is larger than the sum of its proper divisors (1).

63480869 is an equidigital number, since it uses as much as digits as its factorization.

63480869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 63480869 is about 7967.4882491285. The cubic root of 63480869 is about 398.9155396045.

The spelling of 63480869 in words is "sixty-three million, four hundred eighty thousand, eight hundred sixty-nine".