3506082981 has 16 divisors (see below), whose sum is σ = 4827168768. Its totient is φ = 2261242800.

The previous prime is 3506082971. The next prime is 3506082997. The reversal of 3506082981 is 1892806053.

3506082981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3506082981 - 2⁹ = 3506082469 is a prime.

It is a super-2 number, since 2×3506082981² = 24585235739315692722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506082971) 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, 482880 + ... + 490086.

It is an arithmetic number, because the mean of its divisors is an integer number (301698048).

Almost surely, 2^3506082981 is an apocalyptic number.

3506082981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3506082981 is a deficient number, since it is larger than the sum of its proper divisors (1321085787).

3506082981 is a wasteful number, since it uses less digits than its factorization.

3506082981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3506082981 is about 59212.1860852984. The cubic root of 3506082981 is about 1519.1735727098.

The spelling of 3506082981 in words is "three billion, five hundred six million, eighty-two thousand, nine hundred eighty-one".