549408707 has 2 divisors, whose sum is σ = 549408708. Its totient is φ = 549408706.

The previous prime is 549408701. The next prime is 549408719. The reversal of 549408707 is 707804945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549408707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (549408701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274704353 + 274704354.

It is an arithmetic number, because the mean of its divisors is an integer number (274704354).

Almost surely, 2^549408707 is an apocalyptic number.

549408707 is a deficient number, since it is larger than the sum of its proper divisors (1).

549408707 is an equidigital number, since it uses as much as digits as its factorization.

549408707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 549408707 is about 23439.4689999582. The cubic root of 549408707 is about 819.0275538454.

The spelling of 549408707 in words is "five hundred forty-nine million, four hundred eight thousand, seven hundred seven".