63138763 has 2 divisors, whose sum is σ = 63138764. Its totient is φ = 63138762.

The previous prime is 63138739. The next prime is 63138787. The reversal of 63138763 is 36783136.

It is a balanced prime because it is at equal distance from previous prime (63138739) and next prime (63138787).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63138763 is a prime.

It is not a weakly prime, because it can be changed into another prime (63138263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31569381 + 31569382.

It is an arithmetic number, because the mean of its divisors is an integer number (31569382).

Almost surely, 2^63138763 is an apocalyptic number.

63138763 is a deficient number, since it is larger than the sum of its proper divisors (1).

63138763 is an equidigital number, since it uses as much as digits as its factorization.

63138763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 63138763 is about 7945.9903725086. The cubic root of 63138763 is about 398.1976472592.

The spelling of 63138763 in words is "sixty-three million, one hundred thirty-eight thousand, seven hundred sixty-three".