63704554744513 has 4 divisors (see below), whose sum is σ = 63849667625920. Its totient is φ = 63559441863108.

The previous prime is 63704554744469. The next prime is 63704554744561. The reversal of 63704554744513 is 31544745540736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63704554744513 - 2³⁷ = 63567115791041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63704554744813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72556440045 + ... + 72556440922.

It is an arithmetic number, because the mean of its divisors is an integer number (15962416906480).

Almost surely, 2^{63704554744513} is an apocalyptic number.

It is an amenable number.

63704554744513 is a deficient number, since it is larger than the sum of its proper divisors (145112881407).

63704554744513 is a wasteful number, since it uses less digits than its factorization.

63704554744513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145112881406.

The product of its (nonzero) digits is 84672000, while the sum is 58.

The spelling of 63704554744513 in words is "sixty-three trillion, seven hundred four billion, five hundred fifty-four million, seven hundred forty-four thousand, five hundred thirteen".