16343634379 has 2 divisors, whose sum is σ = 16343634380. Its totient is φ = 16343634378.

The previous prime is 16343634323. The next prime is 16343634383. The reversal of 16343634379 is 97343634361.

It is a strong prime.

It is an emirp because it is prime and its reverse (97343634361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16343634379 - 2¹⁵ = 16343601611 is a prime.

It is a super-2 number, since 2×16343634379² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16343634179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8171817189 + 8171817190.

It is an arithmetic number, because the mean of its divisors is an integer number (8171817190).

Almost surely, 2^16343634379 is an apocalyptic number.

16343634379 is a deficient number, since it is larger than the sum of its proper divisors (1).

16343634379 is an equidigital number, since it uses as much as digits as its factorization.

16343634379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 49.

The spelling of 16343634379 in words is "sixteen billion, three hundred forty-three million, six hundred thirty-four thousand, three hundred seventy-nine".