2745920159 has 4 divisors (see below), whose sum is σ = 2865308016. Its totient is φ = 2626532304.

The previous prime is 2745920141. The next prime is 2745920167. The reversal of 2745920159 is 9510295472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2745920159 - 2⁸ = 2745919903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745920179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59693894 + ... + 59693939.

It is an arithmetic number, because the mean of its divisors is an integer number (716327004).

Almost surely, 2^2745920159 is an apocalyptic number.

2745920159 is a deficient number, since it is larger than the sum of its proper divisors (119387857).

2745920159 is a wasteful number, since it uses less digits than its factorization.

2745920159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119387856.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 2745920159 is about 52401.5282124482. The cubic root of 2745920159 is about 1400.3264815113.

The spelling of 2745920159 in words is "two billion, seven hundred forty-five million, nine hundred twenty thousand, one hundred fifty-nine".