363735481649 has 2 divisors, whose sum is σ = 363735481650. Its totient is φ = 363735481648.

The previous prime is 363735481609. The next prime is 363735481673. The reversal of 363735481649 is 946184537363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361209414049 + 2526067600 = 601007^2 + 50260^2 .

It is a cyclic number.

It is not a de Polignac number, because 363735481649 - 2²⁸ = 363467046193 is a prime.

It is a super-2 number, since 2×363735481649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (363735481609) 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, 181867740824 + 181867740825.

It is an arithmetic number, because the mean of its divisors is an integer number (181867740825).

Almost surely, 2^363735481649 is an apocalyptic number.

It is an amenable number.

363735481649 is a deficient number, since it is larger than the sum of its proper divisors (1).

363735481649 is an equidigital number, since it uses as much as digits as its factorization.

363735481649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 59.

The spelling of 363735481649 in words is "three hundred sixty-three billion, seven hundred thirty-five million, four hundred eighty-one thousand, six hundred forty-nine".