2683163921 has 2 divisors, whose sum is σ = 2683163922. Its totient is φ = 2683163920.

The previous prime is 2683163881. The next prime is 2683163929. The reversal of 2683163921 is 1293613862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2309283025 + 373880896 = 48055^2 + 19336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683163921 - 2³⁰ = 1609422097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2683163929) 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, 1341581960 + 1341581961.

It is an arithmetic number, because the mean of its divisors is an integer number (1341581961).

Almost surely, 2^2683163921 is an apocalyptic number.

It is an amenable number.

2683163921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2683163921 is an equidigital number, since it uses as much as digits as its factorization.

2683163921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 2683163921 is about 51799.2656415127. The cubic root of 2683163921 is about 1389.5763111830.

The spelling of 2683163921 in words is "two billion, six hundred eighty-three million, one hundred sixty-three thousand, nine hundred twenty-one".