3538883691 has 12 divisors (see below), whose sum is σ = 5841966832. Its totient is φ = 2022219216.

The previous prime is 3538883687. The next prime is 3538883713. The reversal of 3538883691 is 1963888353.

It is a happy number.

It is not a de Polignac number, because 3538883691 - 2² = 3538883687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3538883671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28086316 + ... + 28086441.

Almost surely, 2^3538883691 is an apocalyptic number.

3538883691 is a deficient number, since it is larger than the sum of its proper divisors (2303083141).

3538883691 is a wasteful number, since it uses less digits than its factorization.

3538883691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172770 (or 56172767 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 3538883691 is about 59488.5173037621. The cubic root of 3538883691 is about 1523.8963532856.

The spelling of 3538883691 in words is "three billion, five hundred thirty-eight million, eight hundred eighty-three thousand, six hundred ninety-one".