1634545244 has 12 divisors (see below), whose sum is σ = 2900742768. Its totient is φ = 805761600.

The previous prime is 1634545229. The next prime is 1634545249. The reversal of 1634545244 is 4425454361.

It is a junction number, because it is equal to n+sod(n) for n = 1634545198 and 1634545207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634545249) 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, 2877437 + ... + 2878004.

It is an arithmetic number, because the mean of its divisors is an integer number (241728564).

Almost surely, 2^1634545244 is an apocalyptic number.

It is an amenable number.

1634545244 is a deficient number, since it is larger than the sum of its proper divisors (1266197524).

1634545244 is a wasteful number, since it uses less digits than its factorization.

1634545244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755516 (or 5755514 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 1634545244 is about 40429.5095691254. The cubic root of 1634545244 is about 1177.9648064984.

The spelling of 1634545244 in words is "one billion, six hundred thirty-four million, five hundred forty-five thousand, two hundred forty-four".