63349934271623 has 16 divisors (see below), whose sum is σ = 63570120176640. Its totient is φ = 63130116306816.

The previous prime is 63349934271583. The next prime is 63349934271629. The reversal of 63349934271623 is 32617243994336.

It is a cyclic number.

It is not a de Polignac number, because 63349934271623 - 2⁸ = 63349934271367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63349934271629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3914589590 + ... + 3914605772.

It is an arithmetic number, because the mean of its divisors is an integer number (3973132511040).

Almost surely, 2^{63349934271623} is an apocalyptic number.

63349934271623 is a deficient number, since it is larger than the sum of its proper divisors (220185905017).

63349934271623 is a wasteful number, since it uses less digits than its factorization.

63349934271623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726.

The product of its digits is 105815808, while the sum is 62.

The spelling of 63349934271623 in words is "sixty-three trillion, three hundred forty-nine billion, nine hundred thirty-four million, two hundred seventy-one thousand, six hundred twenty-three".