63635612149 has 2 divisors, whose sum is σ = 63635612150. Its totient is φ = 63635612148.

The previous prime is 63635612119. The next prime is 63635612153. The reversal of 63635612149 is 94121653636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44575876900 + 19059735249 = 211130^2 + 138057^2 .

It is a cyclic number.

It is not a de Polignac number, because 63635612149 - 2³¹ = 61488128501 is a prime.

It is a super-2 number, since 2×63635612149² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63635612099 and 63635612108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63635612119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31817806074 + 31817806075.

It is an arithmetic number, because the mean of its divisors is an integer number (31817806075).

Almost surely, 2^63635612149 is an apocalyptic number.

It is an amenable number.

63635612149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63635612149 is an equidigital number, since it uses as much as digits as its factorization.

63635612149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The spelling of 63635612149 in words is "sixty-three billion, six hundred thirty-five million, six hundred twelve thousand, one hundred forty-nine".