2116329401 has 2 divisors, whose sum is σ = 2116329402. Its totient is φ = 2116329400.

The previous prime is 2116329389. The next prime is 2116329407. The reversal of 2116329401 is 1049236112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1360134400 + 756195001 = 36880^2 + 27499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116329401 - 2¹⁸ = 2116067257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116329407) 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, 1058164700 + 1058164701.

It is an arithmetic number, because the mean of its divisors is an integer number (1058164701).

Almost surely, 2^2116329401 is an apocalyptic number.

It is an amenable number.

2116329401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116329401 is an equidigital number, since it uses as much as digits as its factorization.

2116329401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2116329401 is about 46003.5803063196. The cubic root of 2116329401 is about 1283.8898193921.

The spelling of 2116329401 in words is "two billion, one hundred sixteen million, three hundred twenty-nine thousand, four hundred one".