38430442755743 has 4 divisors (see below), whose sum is σ = 38706920761320. Its totient is φ = 38153964750168.

The previous prime is 38430442755709. The next prime is 38430442755827. The reversal of 38430442755743 is 34755724403483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38430442755743 - 2⁸ = 38430442755487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38430442757743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138239002580 + ... + 138239002857.

It is an arithmetic number, because the mean of its divisors is an integer number (9676730190330).

Almost surely, 2^{38430442755743} is an apocalyptic number.

38430442755743 is a deficient number, since it is larger than the sum of its proper divisors (276478005577).

38430442755743 is a wasteful number, since it uses less digits than its factorization.

38430442755743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276478005576.

The product of its (nonzero) digits is 135475200, while the sum is 59.

The spelling of 38430442755743 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-two million, seven hundred fifty-five thousand, seven hundred forty-three".