4549486691 has 2 divisors, whose sum is σ = 4549486692. Its totient is φ = 4549486690.

The previous prime is 4549486639. The next prime is 4549486741. The reversal of 4549486691 is 1966849454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4549486691 - 2¹⁰ = 4549485667 is a prime.

It is a super-2 number, since 2×4549486691² = 41395658303172258962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4549486631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274743345 + 2274743346.

It is an arithmetic number, because the mean of its divisors is an integer number (2274743346).

Almost surely, 2^4549486691 is an apocalyptic number.

4549486691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549486691 is an equidigital number, since it uses as much as digits as its factorization.

4549486691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The square root of 4549486691 is about 67449.8828093867. The cubic root of 4549486691 is about 1656.9934803257.

The spelling of 4549486691 in words is "four billion, five hundred forty-nine million, four hundred eighty-six thousand, six hundred ninety-one".