5633446381 has 2 divisors, whose sum is σ = 5633446382. Its totient is φ = 5633446380.

The previous prime is 5633446369. The next prime is 5633446391. The reversal of 5633446381 is 1836443365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5540420356 + 93026025 = 74434^2 + 9645^2 .

It is a cyclic number.

It is not a de Polignac number, because 5633446381 - 2¹⁹ = 5632922093 is a prime.

It is a super-2 number, since 2×5633446381² = 63471436255203994322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5633446321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2816723190 + 2816723191.

It is an arithmetic number, because the mean of its divisors is an integer number (2816723191).

Almost surely, 2^5633446381 is an apocalyptic number.

It is an amenable number.

5633446381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5633446381 is an equidigital number, since it uses as much as digits as its factorization.

5633446381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The square root of 5633446381 is about 75056.2880843437. The cubic root of 5633446381 is about 1779.3363663579.

The spelling of 5633446381 in words is "five billion, six hundred thirty-three million, four hundred forty-six thousand, three hundred eighty-one".