63163572071 has 2 divisors, whose sum is σ = 63163572072. Its totient is φ = 63163572070.

The previous prime is 63163571963. The next prime is 63163572091. The reversal of 63163572071 is 17027536136.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63163572071 - 2¹⁴ = 63163555687 is a prime.

It is a super-2 number, since 2×63163572071² (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 (63163572091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31581786035 + 31581786036.

It is an arithmetic number, because the mean of its divisors is an integer number (31581786036).

Almost surely, 2^63163572071 is an apocalyptic number.

63163572071 is a deficient number, since it is larger than the sum of its proper divisors (1).

63163572071 is an equidigital number, since it uses as much as digits as its factorization.

63163572071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 63163572071 in words is "sixty-three billion, one hundred sixty-three million, five hundred seventy-two thousand, seventy-one".