2321849669 has 2 divisors, whose sum is σ = 2321849670. Its totient is φ = 2321849668.

The previous prime is 2321849659. The next prime is 2321849693. The reversal of 2321849669 is 9669481232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2303040100 + 18809569 = 47990^2 + 4337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321849669 - 2²⁸ = 2053414213 is a prime.

It is a super-2 number, since 2×2321849669² = 10781971770870819122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321849659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160924834 + 1160924835.

It is an arithmetic number, because the mean of its divisors is an integer number (1160924835).

Almost surely, 2^2321849669 is an apocalyptic number.

It is an amenable number.

2321849669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321849669 is an equidigital number, since it uses as much as digits as its factorization.

2321849669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 2321849669 is about 48185.5753208364. The cubic root of 2321849669 is about 1324.1729109505.

The spelling of 2321849669 in words is "two billion, three hundred twenty-one million, eight hundred forty-nine thousand, six hundred sixty-nine".