13011600949 has 2 divisors, whose sum is σ = 13011600950. Its totient is φ = 13011600948.

The previous prime is 13011600883. The next prime is 13011601021. The reversal of 13011600949 is 94900611031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12722260849 + 289340100 = 112793^2 + 17010^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011600949 - 2¹³ = 13011592757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13011601949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505800474 + 6505800475.

It is an arithmetic number, because the mean of its divisors is an integer number (6505800475).

Almost surely, 2^13011600949 is an apocalyptic number.

It is an amenable number.

13011600949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011600949 is an equidigital number, since it uses as much as digits as its factorization.

13011600949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 13011600949 in words is "thirteen billion, eleven million, six hundred thousand, nine hundred forty-nine".