1634041063 has 4 divisors (see below), whose sum is σ = 1634130688. Its totient is φ = 1633951440.

The previous prime is 1634041061. The next prime is 1634041067. The reversal of 1634041063 is 3601404361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3601404361 = 37 ⋅97335253.

It is a cyclic number.

It is not a de Polignac number, because 1634041063 - 2¹ = 1634041061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634041061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6606 + ... + 57547.

It is an arithmetic number, because the mean of its divisors is an integer number (408532672).

Almost surely, 2^1634041063 is an apocalyptic number.

1634041063 is a deficient number, since it is larger than the sum of its proper divisors (89625).

1634041063 is an equidigital number, since it uses as much as digits as its factorization.

1634041063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89624.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1634041063 is about 40423.2737788517. The cubic root of 1634041063 is about 1177.8436783027.

The spelling of 1634041063 in words is "one billion, six hundred thirty-four million, forty-one thousand, sixty-three".