2045791336 has 8 divisors (see below), whose sum is σ = 3835858770. Its totient is φ = 1022895664.

The previous prime is 2045791331. The next prime is 2045791393. The reversal of 2045791336 is 6331975402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1874024100 + 171767236 = 43290^2 + 13106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2045791331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127861951 + ... + 127861966.

Almost surely, 2^2045791336 is an apocalyptic number.

It is an amenable number.

2045791336 is a deficient number, since it is larger than the sum of its proper divisors (1790067434).

2045791336 is a wasteful number, since it uses less digits than its factorization.

2045791336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255723923 (or 255723919 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 2045791336 is about 45230.4248929855. The cubic root of 2045791336 is about 1269.4641623202.

The spelling of 2045791336 in words is "two billion, forty-five million, seven hundred ninety-one thousand, three hundred thirty-six".