63827662541 has 2 divisors, whose sum is σ = 63827662542. Its totient is φ = 63827662540.

The previous prime is 63827662517. The next prime is 63827662543. The reversal of 63827662541 is 14526672836.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45264690025 + 18562972516 = 212755^2 + 136246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63827662541 is a prime.

It is a super-3 number, since 3×63827662541³ (a number of 33 digits) contains 333 as substring.

Together with 63827662543, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63827662541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63827662543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31913831270 + 31913831271.

It is an arithmetic number, because the mean of its divisors is an integer number (31913831271).

Almost surely, 2^63827662541 is an apocalyptic number.

It is an amenable number.

63827662541 is a deficient number, since it is larger than the sum of its proper divisors (1).

63827662541 is an equidigital number, since it uses as much as digits as its factorization.

63827662541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The spelling of 63827662541 in words is "sixty-three billion, eight hundred twenty-seven million, six hundred sixty-two thousand, five hundred forty-one".