63537535349 has 2 divisors, whose sum is σ = 63537535350. Its totient is φ = 63537535348.

The previous prime is 63537535331. The next prime is 63537535363. The reversal of 63537535349 is 94353573536.

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., 57883548100 + 5653987249 = 240590^2 + 75193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63537535349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63537535349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63537535849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31768767674 + 31768767675.

It is an arithmetic number, because the mean of its divisors is an integer number (31768767675).

Almost surely, 2^63537535349 is an apocalyptic number.

It is an amenable number.

63537535349 is a deficient number, since it is larger than the sum of its proper divisors (1).

63537535349 is an equidigital number, since it uses as much as digits as its factorization.

63537535349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309000, while the sum is 53.

The spelling of 63537535349 in words is "sixty-three billion, five hundred thirty-seven million, five hundred thirty-five thousand, three hundred forty-nine".