3505339981 has 32 divisors (see below), whose sum is σ = 4176506880. Its totient is φ = 2900145600.

The previous prime is 3505339967. The next prime is 3505339987. The reversal of 3505339981 is 1899335053.

It is not a de Polignac number, because 3505339981 - 2²⁵ = 3471785549 is a prime.

It is a super-2 number, since 2×3505339981² = 24574816764794160722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505339987) 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 in 31 ways as a sum of consecutive naturals, for example, 4874940 + ... + 4875658.

It is an arithmetic number, because the mean of its divisors is an integer number (130515840).

Almost surely, 2^3505339981 is an apocalyptic number.

It is an amenable number.

3505339981 is a deficient number, since it is larger than the sum of its proper divisors (671166899).

3505339981 is a wasteful number, since it uses less digits than its factorization.

3505339981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 3505339981 is about 59205.9117065180. The cubic root of 3505339981 is about 1519.0662520223.

The spelling of 3505339981 in words is "three billion, five hundred five million, three hundred thirty-nine thousand, nine hundred eighty-one".