2780645153 has 8 divisors (see below), whose sum is σ = 3266772096. Its totient is φ = 2333408400.

The previous prime is 2780645149. The next prime is 2780645209. The reversal of 2780645153 is 3515460872.

2780645153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2780645153 - 2² = 2780645149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2780645153.

It is not an unprimeable number, because it can be changed into a prime (2780645123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9722393 + ... + 9722678.

It is an arithmetic number, because the mean of its divisors is an integer number (408346512).

Almost surely, 2^2780645153 is an apocalyptic number.

It is an amenable number.

2780645153 is a deficient number, since it is larger than the sum of its proper divisors (486126943).

2780645153 is a wasteful number, since it uses less digits than its factorization.

2780645153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445095.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2780645153 is about 52731.8229629889. The cubic root of 2780645153 is about 1406.2046300872.

The spelling of 2780645153 in words is "two billion, seven hundred eighty million, six hundred forty-five thousand, one hundred fifty-three".