4557343991 has 2 divisors, whose sum is σ = 4557343992. Its totient is φ = 4557343990.

The previous prime is 4557343957. The next prime is 4557344023. The reversal of 4557343991 is 1993437554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4557343991 - 2⁶ = 4557343927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4557343891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278671995 + 2278671996.

It is an arithmetic number, because the mean of its divisors is an integer number (2278671996).

Almost surely, 2^4557343991 is an apocalyptic number.

4557343991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4557343991 is an equidigital number, since it uses as much as digits as its factorization.

4557343991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 50.

The square root of 4557343991 is about 67508.1031506589. The cubic root of 4557343991 is about 1657.9468484549.

The spelling of 4557343991 in words is "four billion, five hundred fifty-seven million, three hundred forty-three thousand, nine hundred ninety-one".