3874429943243 has 2 divisors, whose sum is σ = 3874429943244. Its totient is φ = 3874429943242.

The previous prime is 3874429943213. The next prime is 3874429943287. The reversal of 3874429943243 is 3423499244783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3874429943243 - 2²⁸ = 3874161507787 is a prime.

It is a super-2 number, since 2×3874429943243² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3874429943213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937214971621 + 1937214971622.

It is an arithmetic number, because the mean of its divisors is an integer number (1937214971622).

Almost surely, 2^{3874429943243} is an apocalyptic number.

3874429943243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874429943243 is an equidigital number, since it uses as much as digits as its factorization.

3874429943243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125411328, while the sum is 62.

The spelling of 3874429943243 in words is "three trillion, eight hundred seventy-four billion, four hundred twenty-nine million, nine hundred forty-three thousand, two hundred forty-three".