13016961779 has 8 divisors (see below), whose sum is σ = 13474398000. Its totient is φ = 12560097312.

The previous prime is 13016961767. The next prime is 13016961781. The reversal of 13016961779 is 97716961031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13016961779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13016961739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96344 + ... + 187925.

It is an arithmetic number, because the mean of its divisors is an integer number (1684299750).

Almost surely, 2^13016961779 is an apocalyptic number.

13016961779 is a deficient number, since it is larger than the sum of its proper divisors (457436221).

13016961779 is a wasteful number, since it uses less digits than its factorization.

13016961779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285877.

The product of its (nonzero) digits is 428652, while the sum is 50.

The spelling of 13016961779 in words is "thirteen billion, sixteen million, nine hundred sixty-one thousand, seven hundred seventy-nine".