3539881701 has 6 divisors (see below), whose sum is σ = 5113162470. Its totient is φ = 2359921128.

The previous prime is 3539881699. The next prime is 3539881721. The reversal of 3539881701 is 1071889353.

It can be written as a sum of positive squares in only one way, i.e., 1864944225 + 1674937476 = 43185^2 + 40926^2 .

It is not a de Polignac number, because 3539881701 - 2¹ = 3539881699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539881721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196660086 + ... + 196660103.

It is an arithmetic number, because the mean of its divisors is an integer number (852193745).

Almost surely, 2^3539881701 is an apocalyptic number.

It is an amenable number.

3539881701 is a deficient number, since it is larger than the sum of its proper divisors (1573280769).

3539881701 is a wasteful number, since it uses less digits than its factorization.

3539881701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393320195 (or 393320192 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 3539881701 is about 59496.9049699226. The cubic root of 3539881701 is about 1524.0395925089.

The spelling of 3539881701 in words is "three billion, five hundred thirty-nine million, eight hundred eighty-one thousand, seven hundred one".