4354791949 has 2 divisors, whose sum is σ = 4354791950. Its totient is φ = 4354791948.

The previous prime is 4354791941. The next prime is 4354791967. The reversal of 4354791949 is 9491974534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4305721924 + 49070025 = 65618^2 + 7005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4354791949 - 2³ = 4354791941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4354791949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4354791941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177395974 + 2177395975.

It is an arithmetic number, because the mean of its divisors is an integer number (2177395975).

Almost surely, 2^4354791949 is an apocalyptic number.

It is an amenable number.

4354791949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4354791949 is an equidigital number, since it uses as much as digits as its factorization.

4354791949 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4354791949 is about 65990.8474638718. The cubic root of 4354791949 is about 1633.0111013316.

The spelling of 4354791949 in words is "four billion, three hundred fifty-four million, seven hundred ninety-one thousand, nine hundred forty-nine".