3506983861 has 4 divisors (see below), whose sum is σ = 3541032352. Its totient is φ = 3472935372.

The previous prime is 3506983853. The next prime is 3506983901. The reversal of 3506983861 is 1683896053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3506983861 - 2³ = 3506983853 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 (3504983861) 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, 17024091 + ... + 17024296.

It is an arithmetic number, because the mean of its divisors is an integer number (885258088).

Almost surely, 2^3506983861 is an apocalyptic number.

It is an amenable number.

3506983861 is a deficient number, since it is larger than the sum of its proper divisors (34048491).

3506983861 is a wasteful number, since it uses less digits than its factorization.

3506983861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34048490.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 3506983861 is about 59219.7928145650. The cubic root of 3506983861 is about 1519.3036776249.

The spelling of 3506983861 in words is "three billion, five hundred six million, nine hundred eighty-three thousand, eight hundred sixty-one".