63612433345 has 16 divisors (see below), whose sum is σ = 78200888832. Its totient is φ = 49648717440.

The previous prime is 63612433337. The next prime is 63612433387. The reversal of 63612433345 is 54333421636.

It is not a de Polignac number, because 63612433345 - 2³ = 63612433337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63612433298 and 63612433307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125 + ... + 356965.

It is an arithmetic number, because the mean of its divisors is an integer number (4887555552).

Almost surely, 2^63612433345 is an apocalyptic number.

It is an amenable number.

63612433345 is a deficient number, since it is larger than the sum of its proper divisors (14588455487).

63612433345 is a wasteful number, since it uses less digits than its factorization.

63612433345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343752.

The product of its digits is 466560, while the sum is 40.

The spelling of 63612433345 in words is "sixty-three billion, six hundred twelve million, four hundred thirty-three thousand, three hundred forty-five".