4542649933 has 2 divisors, whose sum is σ = 4542649934. Its totient is φ = 4542649932.

The previous prime is 4542649901. The next prime is 4542650039. The reversal of 4542649933 is 3399462454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4481231364 + 61418569 = 66942^2 + 7837^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542649933 - 2⁵ = 4542649901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4542649633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271324966 + 2271324967.

It is an arithmetic number, because the mean of its divisors is an integer number (2271324967).

Almost surely, 2^4542649933 is an apocalyptic number.

It is an amenable number.

4542649933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542649933 is an equidigital number, since it uses as much as digits as its factorization.

4542649933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 49.

The square root of 4542649933 is about 67399.1834742825. The cubic root of 4542649933 is about 1656.1630465080.

It can be divided in two parts, 45426 and 49933, that added together give a palindrome (95359).

The spelling of 4542649933 in words is "four billion, five hundred forty-two million, six hundred forty-nine thousand, nine hundred thirty-three".