3775642543 has 2 divisors, whose sum is σ = 3775642544. Its totient is φ = 3775642542.

The previous prime is 3775642537. The next prime is 3775642561. The reversal of 3775642543 is 3452465773.

It is a weak prime.

It is an emirp because it is prime and its reverse (3452465773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3775642543 - 2²⁵ = 3742088111 is a prime.

It is a super-2 number, since 2×3775642543² = 28510953225023013698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3775642493 and 3775642502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3775642573) 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, 1887821271 + 1887821272.

It is an arithmetic number, because the mean of its divisors is an integer number (1887821272).

Almost surely, 2^3775642543 is an apocalyptic number.

3775642543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3775642543 is an equidigital number, since it uses as much as digits as its factorization.

3775642543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 46.

The square root of 3775642543 is about 61446.2573555135. The cubic root of 3775642543 is about 1557.1494271285.

The spelling of 3775642543 in words is "three billion, seven hundred seventy-five million, six hundred forty-two thousand, five hundred forty-three".