13453199779 has 2 divisors, whose sum is σ = 13453199780. Its totient is φ = 13453199778.

The previous prime is 13453199761. The next prime is 13453199801. The reversal of 13453199779 is 97799135431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13453199779 - 2²⁷ = 13318982051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13453199479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726599889 + 6726599890.

It is an arithmetic number, because the mean of its divisors is an integer number (6726599890).

Almost surely, 2^13453199779 is an apocalyptic number.

13453199779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453199779 is an equidigital number, since it uses as much as digits as its factorization.

13453199779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 58.

The spelling of 13453199779 in words is "thirteen billion, four hundred fifty-three million, one hundred ninety-nine thousand, seven hundred seventy-nine".