16033277749 has 2 divisors, whose sum is σ = 16033277750. Its totient is φ = 16033277748.

The previous prime is 16033277707. The next prime is 16033277753. The reversal of 16033277749 is 94777233061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12585474225 + 3447803524 = 112185^2 + 58718^2 .

It is a cyclic number.

It is not a de Polignac number, because 16033277749 - 2¹¹ = 16033275701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16033277549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8016638874 + 8016638875.

It is an arithmetic number, because the mean of its divisors is an integer number (8016638875).

Almost surely, 2^16033277749 is an apocalyptic number.

It is an amenable number.

16033277749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16033277749 is an equidigital number, since it uses as much as digits as its factorization.

16033277749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 16033277749 in words is "sixteen billion, thirty-three million, two hundred seventy-seven thousand, seven hundred forty-nine".