416140217989 has 2 divisors, whose sum is σ = 416140217990. Its totient is φ = 416140217988.

The previous prime is 416140217971. The next prime is 416140217993. The reversal of 416140217989 is 989712041614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258663788100 + 157476429889 = 508590^2 + 396833^2 .

It is a cyclic number.

It is not a de Polignac number, because 416140217989 - 2⁷ = 416140217861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416140217959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208070108994 + 208070108995.

It is an arithmetic number, because the mean of its divisors is an integer number (208070108995).

Almost surely, 2^416140217989 is an apocalyptic number.

It is an amenable number.

416140217989 is a deficient number, since it is larger than the sum of its proper divisors (1).

416140217989 is an equidigital number, since it uses as much as digits as its factorization.

416140217989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 416140217989 in words is "four hundred sixteen billion, one hundred forty million, two hundred seventeen thousand, nine hundred eighty-nine".