2654829857 has 4 divisors (see below), whose sum is σ = 2655209796. Its totient is φ = 2654449920.

The previous prime is 2654829851. The next prime is 2654829869. The reversal of 2654829857 is 7589284562.

It is a happy number.

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 1336341136 + 1318488721 = 36556^2 + 36311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654829857 - 2²⁸ = 2386394401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2654829851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179288 + ... + 193529.

It is an arithmetic number, because the mean of its divisors is an integer number (663802449).

Almost surely, 2^2654829857 is an apocalyptic number.

It is an amenable number.

2654829857 is a deficient number, since it is larger than the sum of its proper divisors (379939).

2654829857 is an equidigital number, since it uses as much as digits as its factorization.

2654829857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379938.

The product of its digits is 9676800, while the sum is 56.

The square root of 2654829857 is about 51525.0410674266. The cubic root of 2654829857 is about 1384.6677089936.

The spelling of 2654829857 in words is "two billion, six hundred fifty-four million, eight hundred twenty-nine thousand, eight hundred fifty-seven".