3538976491 has 4 divisors (see below), whose sum is σ = 3539521800. Its totient is φ = 3538431184.

The previous prime is 3538976477. The next prime is 3538976501. The reversal of 3538976491 is 1946798353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1946798353 = 19739 ⋅98627.

It is a cyclic number.

It is not a de Polignac number, because 3538976491 - 2¹¹ = 3538974443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3538976431) 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, 262801 + ... + 275938.

It is an arithmetic number, because the mean of its divisors is an integer number (884880450).

Almost surely, 2^3538976491 is an apocalyptic number.

3538976491 is a deficient number, since it is larger than the sum of its proper divisors (545309).

3538976491 is an equidigital number, since it uses as much as digits as its factorization.

3538976491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545308.

The product of its digits is 4898880, while the sum is 55.

The square root of 3538976491 is about 59489.2972811076. The cubic root of 3538976491 is about 1523.9096735261.

The spelling of 3538976491 in words is "three billion, five hundred thirty-eight million, nine hundred seventy-six thousand, four hundred ninety-one".