63636213365149 has 2 divisors, whose sum is σ = 63636213365150. Its totient is φ = 63636213365148.

The previous prime is 63636213365119. The next prime is 63636213365201. The reversal of 63636213365149 is 94156331263636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32587714359225 + 31048499005924 = 5708565^2 + 5572118^2 .

It is a cyclic number.

It is not a de Polignac number, because 63636213365149 - 2¹³ = 63636213356957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63636213365093 and 63636213365102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63636213365119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31818106682574 + 31818106682575.

It is an arithmetic number, because the mean of its divisors is an integer number (31818106682575).

Almost surely, 2^{63636213365149} is an apocalyptic number.

It is an amenable number.

63636213365149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63636213365149 is an equidigital number, since it uses as much as digits as its factorization.

63636213365149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 58.

The spelling of 63636213365149 in words is "sixty-three trillion, six hundred thirty-six billion, two hundred thirteen million, three hundred sixty-five thousand, one hundred forty-nine".