63756602013 has 8 divisors (see below), whose sum is σ = 91547941408. Its totient is φ = 39234831984.

The previous prime is 63756601969. The next prime is 63756602057. The reversal of 63756602013 is 31020665736.

It is an interprime number because it is at equal distance from previous prime (63756601969) and next prime (63756602057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63756602013 - 2¹³ = 63756593821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1634784667 = 63756602013 / (6 + 3 + 7 + 5 + 6 + 6 + 0 + 2 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63756602113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817392295 + ... + 817392372.

It is an arithmetic number, because the mean of its divisors is an integer number (11443492676).

Almost surely, 2^63756602013 is an apocalyptic number.

It is an amenable number.

63756602013 is a deficient number, since it is larger than the sum of its proper divisors (27791339395).

63756602013 is a wasteful number, since it uses less digits than its factorization.

63756602013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634784683.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 63756602013 in words is "sixty-three billion, seven hundred fifty-six million, six hundred two thousand, thirteen".