16773462109 has 2 divisors, whose sum is σ = 16773462110. Its totient is φ = 16773462108.

The previous prime is 16773462049. The next prime is 16773462119. The reversal of 16773462109 is 90126437761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9437539609 + 7335922500 = 97147^2 + 85650^2 .

It is an emirp because it is prime and its reverse (90126437761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16773462109 - 2²⁷ = 16639244381 is a prime.

It is a super-2 number, since 2×16773462109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16773462119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386731054 + 8386731055.

It is an arithmetic number, because the mean of its divisors is an integer number (8386731055).

Almost surely, 2^16773462109 is an apocalyptic number.

It is an amenable number.

16773462109 is a deficient number, since it is larger than the sum of its proper divisors (1).

16773462109 is an equidigital number, since it uses as much as digits as its factorization.

16773462109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 16773462109 in words is "sixteen billion, seven hundred seventy-three million, four hundred sixty-two thousand, one hundred nine".