3634035421 has 2 divisors, whose sum is σ = 3634035422. Its totient is φ = 3634035420.

The previous prime is 3634035409. The next prime is 3634035467. The reversal of 3634035421 is 1245304363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2831729796 + 802305625 = 53214^2 + 28325^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634035421 - 2⁵ = 3634035389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3634035491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817017710 + 1817017711.

It is an arithmetic number, because the mean of its divisors is an integer number (1817017711).

Almost surely, 2^3634035421 is an apocalyptic number.

It is an amenable number.

3634035421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3634035421 is an equidigital number, since it uses as much as digits as its factorization.

3634035421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3634035421 is about 60282.9612826046. The cubic root of 3634035421 is about 1537.4336608387.

Adding to 3634035421 its reverse (1245304363), we get a palindrome (4879339784).

The spelling of 3634035421 in words is "three billion, six hundred thirty-four million, thirty-five thousand, four hundred twenty-one".