63040178563 has 2 divisors, whose sum is σ = 63040178564. Its totient is φ = 63040178562.

The previous prime is 63040178561. The next prime is 63040178573. The reversal of 63040178563 is 36587104036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63040178563 - 2¹ = 63040178561 is a prime.

It is a super-2 number, since 2×63040178563² (a number of 22 digits) contains 22 as substring.

Together with 63040178561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63040178561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31520089281 + 31520089282.

It is an arithmetic number, because the mean of its divisors is an integer number (31520089282).

Almost surely, 2^63040178563 is an apocalyptic number.

63040178563 is a deficient number, since it is larger than the sum of its proper divisors (1).

63040178563 is an equidigital number, since it uses as much as digits as its factorization.

63040178563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

It can be divided in two parts, 630401 and 78563, that added together give a square (708964 = 842²).

The spelling of 63040178563 in words is "sixty-three billion, forty million, one hundred seventy-eight thousand, five hundred sixty-three".