3634221463 has 2 divisors, whose sum is σ = 3634221464. Its totient is φ = 3634221462.

The previous prime is 3634221401. The next prime is 3634221499. The reversal of 3634221463 is 3641224363.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3634221463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3634221163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817110731 + 1817110732.

It is an arithmetic number, because the mean of its divisors is an integer number (1817110732).

Almost surely, 2^3634221463 is an apocalyptic number.

3634221463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3634221463 is an equidigital number, since it uses as much as digits as its factorization.

3634221463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 34.

The square root of 3634221463 is about 60284.5043356914. The cubic root of 3634221463 is about 1537.4598963519.

The spelling of 3634221463 in words is "three billion, six hundred thirty-four million, two hundred twenty-one thousand, four hundred sixty-three".