3539401808 has 10 divisors (see below), whose sum is σ = 6857591034. Its totient is φ = 1769700896.

The previous prime is 3539401807. The next prime is 3539401829. The reversal of 3539401808 is 8081049353.

It can be written as a sum of positive squares in only one way, i.e., 3090470464 + 448931344 = 55592^2 + 21188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539401807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110606291 + ... + 110606322.

Almost surely, 2^3539401808 is an apocalyptic number.

It is an amenable number.

3539401808 is a deficient number, since it is larger than the sum of its proper divisors (3318189226).

3539401808 is a wasteful number, since it uses less digits than its factorization.

3539401808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221212621 (or 221212615 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 3539401808 is about 59492.8719091624. The cubic root of 3539401808 is about 1523.9707193048.

The spelling of 3539401808 in words is "three billion, five hundred thirty-nine million, four hundred one thousand, eight hundred eight".