2045969874 has 32 divisors (see below), whose sum is σ = 4896339840. Its totient is φ = 629528976.

The previous prime is 2045969857. The next prime is 2045969903. The reversal of 2045969874 is 4789695402.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2045969874.

It is an unprimeable number.

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, 1456542 + ... + 1457945.

It is an arithmetic number, because the mean of its divisors is an integer number (153010620).

Almost surely, 2^2045969874 is an apocalyptic number.

2045969874 is an abundant number, since it is smaller than the sum of its proper divisors (2850369966).

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

2045969874 is a wasteful number, since it uses less digits than its factorization.

2045969874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914511 (or 2914505 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 2045969874 is about 45232.3984993058. The cubic root of 2045969874 is about 1269.5010903288.

The spelling of 2045969874 in words is "two billion, forty-five million, nine hundred sixty-nine thousand, eight hundred seventy-four".