3935043409 has 16 divisors (see below), whose sum is σ = 4404248640. Its totient is φ = 3485493760.

The previous prime is 3935043407. The next prime is 3935043443. The reversal of 3935043409 is 9043405393.

It is a cyclic number.

It is not a de Polignac number, because 3935043409 - 2¹ = 3935043407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3935043403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46509 + ... + 100165.

It is an arithmetic number, because the mean of its divisors is an integer number (275265540).

Almost surely, 2^3935043409 is an apocalyptic number.

It is an amenable number.

3935043409 is a deficient number, since it is larger than the sum of its proper divisors (469205231).

3935043409 is a wasteful number, since it uses less digits than its factorization.

3935043409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 3935043409 is about 62729.9243503449. The cubic root of 3935043409 is about 1578.7614350713.

The spelling of 3935043409 in words is "three billion, nine hundred thirty-five million, forty-three thousand, four hundred nine".