16465362049 has 2 divisors, whose sum is σ = 16465362050. Its totient is φ = 16465362048.

The previous prime is 16465362013. The next prime is 16465362079. The reversal of 16465362049 is 94026356461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11213751025 + 5251611024 = 105895^2 + 72468^2 .

It is an emirp because it is prime and its reverse (94026356461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16465362049 - 2⁷ = 16465361921 is a prime.

It is a super-2 number, since 2×16465362049² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16465362079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232681024 + 8232681025.

It is an arithmetic number, because the mean of its divisors is an integer number (8232681025).

Almost surely, 2^16465362049 is an apocalyptic number.

It is an amenable number.

16465362049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465362049 is an equidigital number, since it uses as much as digits as its factorization.

16465362049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 16465362049 in words is "sixteen billion, four hundred sixty-five million, three hundred sixty-two thousand, forty-nine".