16033512949 has 2 divisors, whose sum is σ = 16033512950. Its totient is φ = 16033512948.

The previous prime is 16033512907. The next prime is 16033512961. The reversal of 16033512949 is 94921533061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12098460049 + 3935052900 = 109993^2 + 62730^2 .

It is an emirp because it is prime and its reverse (94921533061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16033512949 - 2¹³ = 16033504757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16033512149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8016756474 + 8016756475.

It is an arithmetic number, because the mean of its divisors is an integer number (8016756475).

Almost surely, 2^16033512949 is an apocalyptic number.

It is an amenable number.

16033512949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16033512949 is an equidigital number, since it uses as much as digits as its factorization.

16033512949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 16033512949 in words is "sixteen billion, thirty-three million, five hundred twelve thousand, nine hundred forty-nine".