63038869 has 2 divisors, whose sum is σ = 63038870. Its totient is φ = 63038868.

The previous prime is 63038867. The next prime is 63038947. The reversal of 63038869 is 96883036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 786769 = 7890^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 63038869 - 2¹ = 63038867 is a prime.

It is a super-2 number, since 2×63038869² = 7947798009598322, which contains 22 as substring.

Together with 63038867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63038867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31519434 + 31519435.

It is an arithmetic number, because the mean of its divisors is an integer number (31519435).

Almost surely, 2^63038869 is an apocalyptic number.

It is an amenable number.

63038869 is a deficient number, since it is larger than the sum of its proper divisors (1).

63038869 is an equidigital number, since it uses as much as digits as its factorization.

63038869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 63038869 is about 7939.7020724962. The cubic root of 63038869 is about 397.9875356988.

The spelling of 63038869 in words is "sixty-three million, thirty-eight thousand, eight hundred sixty-nine".