2057409279650 has 12 divisors (see below), whose sum is σ = 3826781260242. Its totient is φ = 822963711840.

The previous prime is 2057409279637. The next prime is 2057409279683. The reversal of 2057409279650 is 569729047502.

It can be written as a sum of positive squares in 3 ways, for example, as 1530770241049 + 526639038601 = 1237243^2 + 725699^2 .

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20574092747 + ... + 20574092846.

Almost surely, 2^{2057409279650} is an apocalyptic number.

2057409279650 is a deficient number, since it is larger than the sum of its proper divisors (1769371980592).

2057409279650 is a wasteful number, since it uses less digits than its factorization.

2057409279650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41148185605 (or 41148185600 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 2057409279650 in words is "two trillion, fifty-seven billion, four hundred nine million, two hundred seventy-nine thousand, six hundred fifty".