16923832901 has 2 divisors, whose sum is σ = 16923832902. Its totient is φ = 16923832900.

The previous prime is 16923832867. The next prime is 16923832903. The reversal of 16923832901 is 10923832961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11416708801 + 5507124100 = 106849^2 + 74210^2 .

It is a cyclic number.

It is not a de Polignac number, because 16923832901 - 2¹⁰ = 16923831877 is a prime.

It is a super-2 number, since 2×16923832901² (a number of 21 digits) contains 22 as substring.

Together with 16923832903, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16923832903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8461916450 + 8461916451.

It is an arithmetic number, because the mean of its divisors is an integer number (8461916451).

Almost surely, 2^16923832901 is an apocalyptic number.

It is an amenable number.

16923832901 is a deficient number, since it is larger than the sum of its proper divisors (1).

16923832901 is an equidigital number, since it uses as much as digits as its factorization.

16923832901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 16923832901 in words is "sixteen billion, nine hundred twenty-three million, eight hundred thirty-two thousand, nine hundred one".