2045513634 has 16 divisors (see below), whose sum is σ = 4093308000. Its totient is φ = 681457760.

The previous prime is 2045513633. The next prime is 2045513663. The reversal of 2045513634 is 4363155402.

It is a junction number, because it is equal to n+sod(n) for n = 2045513595 and 2045513604.

It is not an unprimeable number, because it can be changed into a prime (2045513633) 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 7 ways as a sum of consecutive naturals, for example, 83259 + ... + 104990.

It is an arithmetic number, because the mean of its divisors is an integer number (255831750).

Almost surely, 2^2045513634 is an apocalyptic number.

2045513634 is an abundant number, since it is smaller than the sum of its proper divisors (2047794366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045513634 is a wasteful number, since it uses less digits than its factorization.

2045513634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190065.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2045513634 is about 45227.3549303958. The cubic root of 2045513634 is about 1269.4067193994.

The spelling of 2045513634 in words is "two billion, forty-five million, five hundred thirteen thousand, six hundred thirty-four".