4636635349 has 2 divisors, whose sum is σ = 4636635350. Its totient is φ = 4636635348.

The previous prime is 4636635307. The next prime is 4636635361. The reversal of 4636635349 is 9435366364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3957668100 + 678967249 = 62910^2 + 26057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4636635349 is a prime.

It is a super-3 number, since 3×4636635349³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4636635149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318317674 + 2318317675.

It is an arithmetic number, because the mean of its divisors is an integer number (2318317675).

Almost surely, 2^4636635349 is an apocalyptic number.

It is an amenable number.

4636635349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636635349 is an equidigital number, since it uses as much as digits as its factorization.

4636635349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 49.

The square root of 4636635349 is about 68092.8435960784. The cubic root of 4636635349 is about 1667.5069292951.

The spelling of 4636635349 in words is "four billion, six hundred thirty-six million, six hundred thirty-five thousand, three hundred forty-nine".