63345605539 has 2 divisors, whose sum is σ = 63345605540. Its totient is φ = 63345605538.

The previous prime is 63345605507. The next prime is 63345605551. The reversal of 63345605539 is 93550654336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63345605539 - 2⁵ = 63345605507 is a prime.

It is a super-2 number, since 2×63345605539² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63345605492 and 63345605501.

It is not a weakly prime, because it can be changed into another prime (63345605639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31672802769 + 31672802770.

It is an arithmetic number, because the mean of its divisors is an integer number (31672802770).

Almost surely, 2^63345605539 is an apocalyptic number.

63345605539 is a deficient number, since it is larger than the sum of its proper divisors (1).

63345605539 is an equidigital number, since it uses as much as digits as its factorization.

63345605539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374000, while the sum is 49.

The spelling of 63345605539 in words is "sixty-three billion, three hundred forty-five million, six hundred five thousand, five hundred thirty-nine".