2684207457 has 16 divisors (see below), whose sum is σ = 4013772480. Its totient is φ = 1772745696.

The previous prime is 2684207443. The next prime is 2684207483. The reversal of 2684207457 is 7547024862.

It is a happy number.

It is not a de Polignac number, because 2684207457 - 2⁴ = 2684207441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2684207417) 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 15 ways as a sum of consecutive naturals, for example, 461668 + ... + 467445.

It is an arithmetic number, because the mean of its divisors is an integer number (250860780).

Almost surely, 2^2684207457 is an apocalyptic number.

2684207457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2684207457 is a deficient number, since it is larger than the sum of its proper divisors (1329565023).

2684207457 is a wasteful number, since it uses less digits than its factorization.

2684207457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929229 (or 929223 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 2684207457 is about 51809.3375464308. The cubic root of 2684207457 is about 1389.7564324877.

The spelling of 2684207457 in words is "two billion, six hundred eighty-four million, two hundred seven thousand, four hundred fifty-seven".