2045742764 has 12 divisors (see below), whose sum is σ = 3855438384. Its totient is φ = 944188944.

The previous prime is 2045742709. The next prime is 2045742791. The reversal of 2045742764 is 4672475402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19670552 + ... + 19670655.

It is an arithmetic number, because the mean of its divisors is an integer number (321286532).

Almost surely, 2^2045742764 is an apocalyptic number.

It is an amenable number.

2045742764 is a deficient number, since it is larger than the sum of its proper divisors (1809695620).

2045742764 is a wasteful number, since it uses less digits than its factorization.

2045742764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39341224 (or 39341222 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The square root of 2045742764 is about 45229.8879503366. The cubic root of 2045742764 is about 1269.4541155313.

The spelling of 2045742764 in words is "two billion, forty-five million, seven hundred forty-two thousand, seven hundred sixty-four".