2116513669 has 2 divisors, whose sum is σ = 2116513670. Its totient is φ = 2116513668.

The previous prime is 2116513649. The next prime is 2116513687. The reversal of 2116513669 is 9663156112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1948163044 + 168350625 = 44138^2 + 12975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116513669 - 2¹³ = 2116505477 is a prime.

It is a super-2 number, since 2×2116513669² = 8959260222127683122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116513639) 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, 1058256834 + 1058256835.

It is an arithmetic number, because the mean of its divisors is an integer number (1058256835).

Almost surely, 2^2116513669 is an apocalyptic number.

It is an amenable number.

2116513669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116513669 is an equidigital number, since it uses as much as digits as its factorization.

2116513669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 2116513669 is about 46005.5830198901. The cubic root of 2116513669 is about 1283.9270809109.

The spelling of 2116513669 in words is "two billion, one hundred sixteen million, five hundred thirteen thousand, six hundred sixty-nine".