2393478261 has 8 divisors (see below), whose sum is σ = 3545893760. Its totient is φ = 1595652156.

The previous prime is 2393478253. The next prime is 2393478299. The reversal of 2393478261 is 1628743932.

2393478261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2393478261 - 2³ = 2393478253 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 (2393478211) 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, 44323645 + ... + 44323698.

It is an arithmetic number, because the mean of its divisors is an integer number (443236720).

Almost surely, 2^2393478261 is an apocalyptic number.

It is an amenable number.

2393478261 is a deficient number, since it is larger than the sum of its proper divisors (1152415499).

2393478261 is an equidigital number, since it uses as much as digits as its factorization.

2393478261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88647352 (or 88647346 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2393478261 is about 48923.1873552817. The cubic root of 2393478261 is about 1337.6520591785.

The spelling of 2393478261 in words is "two billion, three hundred ninety-three million, four hundred seventy-eight thousand, two hundred sixty-one".