63081564503 has 2 divisors, whose sum is σ = 63081564504. Its totient is φ = 63081564502.

The previous prime is 63081564499. The next prime is 63081564541. The reversal of 63081564503 is 30546518036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63081564503 - 2² = 63081564499 is a prime.

It is a super-2 number, since 2×63081564503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63081594503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31540782251 + 31540782252.

It is an arithmetic number, because the mean of its divisors is an integer number (31540782252).

Almost surely, 2^63081564503 is an apocalyptic number.

63081564503 is a deficient number, since it is larger than the sum of its proper divisors (1).

63081564503 is an equidigital number, since it uses as much as digits as its factorization.

63081564503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 63081564503 in words is "sixty-three billion, eighty-one million, five hundred sixty-four thousand, five hundred three".