16427901937 has 2 divisors, whose sum is σ = 16427901938. Its totient is φ = 16427901936.

The previous prime is 16427901899. The next prime is 16427902027. The reversal of 16427901937 is 73910972461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16420884736 + 7017201 = 128144^2 + 2649^2 .

It is an emirp because it is prime and its reverse (73910972461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16427901937 - 2²³ = 16419513329 is a prime.

It is not a weakly prime, because it can be changed into another prime (16427901037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213950968 + 8213950969.

It is an arithmetic number, because the mean of its divisors is an integer number (8213950969).

Almost surely, 2^16427901937 is an apocalyptic number.

It is an amenable number.

16427901937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16427901937 is an equidigital number, since it uses as much as digits as its factorization.

16427901937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 16427901937 in words is "sixteen billion, four hundred twenty-seven million, nine hundred one thousand, nine hundred thirty-seven".