3633400349 has 2 divisors, whose sum is σ = 3633400350. Its totient is φ = 3633400348.

The previous prime is 3633400241. The next prime is 3633400387. The reversal of 3633400349 is 9430043363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844702500 + 1788697849 = 42950^2 + 42293^2 .

It is a cyclic number.

It is not a de Polignac number, because 3633400349 - 2⁸ = 3633400093 is a prime.

It is a super-2 number, since 2×3633400349² = 26403196192226643602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3633400399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816700174 + 1816700175.

It is an arithmetic number, because the mean of its divisors is an integer number (1816700175).

Almost surely, 2^3633400349 is an apocalyptic number.

It is an amenable number.

3633400349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3633400349 is an equidigital number, since it uses as much as digits as its factorization.

3633400349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 35.

The square root of 3633400349 is about 60277.6936270790. The cubic root of 3633400349 is about 1537.3440966822.

The spelling of 3633400349 in words is "three billion, six hundred thirty-three million, four hundred thousand, three hundred forty-nine".