2096780545 has 4 divisors (see below), whose sum is σ = 2516136660. Its totient is φ = 1677424432.

The previous prime is 2096780537. The next prime is 2096780551. The reversal of 2096780545 is 5450876902.

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

It can be written as a sum of positive squares in 2 ways, for example, as 818646544 + 1278134001 = 28612^2 + 35751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2096780545 - 2³ = 2096780537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2096780495 and 2096780504.

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, 209678050 + ... + 209678059.

It is an arithmetic number, because the mean of its divisors is an integer number (629034165).

Almost surely, 2^2096780545 is an apocalyptic number.

It is an amenable number.

2096780545 is a deficient number, since it is larger than the sum of its proper divisors (419356115).

2096780545 is an equidigital number, since it uses as much as digits as its factorization.

2096780545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419356114.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 2096780545 is about 45790.6163422158. The cubic root of 2096780545 is about 1279.9244228244.

The spelling of 2096780545 in words is "two billion, ninety-six million, seven hundred eighty thousand, five hundred forty-five".