16047795397 has 2 divisors, whose sum is σ = 16047795398. Its totient is φ = 16047795396.

The previous prime is 16047795383. The next prime is 16047795431. The reversal of 16047795397 is 79359774061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15714878881 + 332916516 = 125359^2 + 18246^2 .

It is a cyclic number.

It is not a de Polignac number, because 16047795397 - 2¹⁹ = 16047271109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16047795307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8023897698 + 8023897699.

It is an arithmetic number, because the mean of its divisors is an integer number (8023897699).

Almost surely, 2^16047795397 is an apocalyptic number.

It is an amenable number.

16047795397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16047795397 is an equidigital number, since it uses as much as digits as its factorization.

16047795397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 16047795397 in words is "sixteen billion, forty-seven million, seven hundred ninety-five thousand, three hundred ninety-seven".