63867098401 has 2 divisors, whose sum is σ = 63867098402. Its totient is φ = 63867098400.

The previous prime is 63867098377. The next prime is 63867098417. The reversal of 63867098401 is 10489076836.

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., 53019667600 + 10847430801 = 230260^2 + 104151^2 .

It is a cyclic number.

It is not a de Polignac number, because 63867098401 - 2²³ = 63858709793 is a prime.

It is not a weakly prime, because it can be changed into another prime (63867098461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31933549200 + 31933549201.

It is an arithmetic number, because the mean of its divisors is an integer number (31933549201).

Almost surely, 2^63867098401 is an apocalyptic number.

It is an amenable number.

63867098401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63867098401 is an equidigital number, since it uses as much as digits as its factorization.

63867098401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 63867098401 in words is "sixty-three billion, eight hundred sixty-seven million, ninety-eight thousand, four hundred one".