1634440053 has 16 divisors (see below), whose sum is σ = 2275047936. Its totient is φ = 1041773040.

The previous prime is 1634440051. The next prime is 1634440057. The reversal of 1634440053 is 3500444361.

It is not a de Polignac number, because 1634440053 - 2¹ = 1634440051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1634440053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634440051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203826 + ... + 211692.

It is an arithmetic number, because the mean of its divisors is an integer number (142190496).

Almost surely, 2^1634440053 is an apocalyptic number.

It is an amenable number.

1634440053 is a deficient number, since it is larger than the sum of its proper divisors (640607883).

1634440053 is a wasteful number, since it uses less digits than its factorization.

1634440053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1634440053 is about 40428.2086296190. The cubic root of 1634440053 is about 1177.9395366862.

The spelling of 1634440053 in words is "one billion, six hundred thirty-four million, four hundred forty thousand, fifty-three".