1634234653 has 2 divisors, whose sum is σ = 1634234654. Its totient is φ = 1634234652.

The previous prime is 1634234561. The next prime is 1634234659. The reversal of 1634234653 is 3564324361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1472487129 + 161747524 = 38373^2 + 12718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1634234653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1634234659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817117326 + 817117327.

It is an arithmetic number, because the mean of its divisors is an integer number (817117327).

Almost surely, 2^1634234653 is an apocalyptic number.

It is an amenable number.

1634234653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634234653 is an equidigital number, since it uses as much as digits as its factorization.

1634234653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The square root of 1634234653 is about 40425.6682443222. The cubic root of 1634234653 is about 1177.8901907514.

The spelling of 1634234653 in words is "one billion, six hundred thirty-four million, two hundred thirty-four thousand, six hundred fifty-three".