2573863642 has 32 divisors (see below), whose sum is σ = 4625115264. Its totient is φ = 1051142400.

The previous prime is 2573863639. The next prime is 2573863673. The reversal of 2573863642 is 2463683752.

It is a junction number, because it is equal to n+sod(n) for n = 2573863592 and 2573863601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27459 + ... + 76822.

It is an arithmetic number, because the mean of its divisors is an integer number (144534852).

Almost surely, 2^2573863642 is an apocalyptic number.

2573863642 is a deficient number, since it is larger than the sum of its proper divisors (2051251622).

2573863642 is a wasteful number, since it uses less digits than its factorization.

2573863642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104374.

The product of its digits is 1451520, while the sum is 46.

The square root of 2573863642 is about 50733.2597218038. The cubic root of 2573863642 is about 1370.4457394856.

The spelling of 2573863642 in words is "two billion, five hundred seventy-three million, eight hundred sixty-three thousand, six hundred forty-two".