13063508761 has 4 divisors (see below), whose sum is σ = 13064490000. Its totient is φ = 13062527524.

The previous prime is 13063508737. The next prime is 13063508797. The reversal of 13063508761 is 16780536031.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-13063508761 is a prime.

It is a super-2 number, since 2×13063508761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13063502761) 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, 470371 + ... + 497368.

It is an arithmetic number, because the mean of its divisors is an integer number (3266122500).

Almost surely, 2^13063508761 is an apocalyptic number.

It is an amenable number.

13063508761 is a deficient number, since it is larger than the sum of its proper divisors (981239).

13063508761 is an equidigital number, since it uses as much as digits as its factorization.

13063508761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981238.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 13063508761 in words is "thirteen billion, sixty-three million, five hundred eight thousand, seven hundred sixty-one".