63306357345 has 48 divisors (see below), whose sum is σ = 136807512192. Its totient is φ = 26309134080.

The previous prime is 63306357343. The next prime is 63306357353. The reversal of 63306357345 is 54375360336.

63306357345 is a `hidden beast` number, since 6 + 3 + 3 + 0 + 635 + 7 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 63306357345 - 2¹ = 63306357343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 63306357345.

It is not an unprimeable number, because it can be changed into a prime (63306357343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9131652 + ... + 9138581.

It is an arithmetic number, because the mean of its divisors is an integer number (2850156504).

Almost surely, 2^63306357345 is an apocalyptic number.

It is an amenable number.

63306357345 is an abundant number, since it is smaller than the sum of its proper divisors (73501154847).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63306357345 is a wasteful number, since it uses less digits than its factorization.

63306357345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18270262 (or 18270259 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 45.

The spelling of 63306357345 in words is "sixty-three billion, three hundred six million, three hundred fifty-seven thousand, three hundred forty-five".