39042001043 has 4 divisors (see below), whose sum is σ = 39042396288. Its totient is φ = 39041605800.

The previous prime is 39042000989. The next prime is 39042001081. The reversal of 39042001043 is 34010024093.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34010024093 = 73 ⋅465890741.

It is a cyclic number.

It is not a de Polignac number, because 39042001043 - 2²⁴ = 39025223827 is a prime.

It is a super-2 number, since 2×39042001043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39042001343) 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, 93518 + ... + 294668.

It is an arithmetic number, because the mean of its divisors is an integer number (9760599072).

Almost surely, 2^39042001043 is an apocalyptic number.

39042001043 is a deficient number, since it is larger than the sum of its proper divisors (395245).

39042001043 is a wasteful number, since it uses less digits than its factorization.

39042001043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395244.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 39042001043 in words is "thirty-nine billion, forty-two million, one thousand, forty-three".