2105432671 has 2 divisors, whose sum is σ = 2105432672. Its totient is φ = 2105432670.

The previous prime is 2105432519. The next prime is 2105432737. The reversal of 2105432671 is 1762345012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105432671 - 2¹⁷ = 2105301599 is a prime.

It is a super-2 number, since 2×2105432671² = 8865693464228388482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105432071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052716335 + 1052716336.

It is an arithmetic number, because the mean of its divisors is an integer number (1052716336).

Almost surely, 2^2105432671 is an apocalyptic number.

2105432671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105432671 is an equidigital number, since it uses as much as digits as its factorization.

2105432671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2105432671 is about 45884.9939631684. The cubic root of 2105432671 is about 1281.6824943064.

Adding to 2105432671 its reverse (1762345012), we get a palindrome (3867777683).

The spelling of 2105432671 in words is "two billion, one hundred five million, four hundred thirty-two thousand, six hundred seventy-one".