2573938706 has 4 divisors (see below), whose sum is σ = 3860908062. Its totient is φ = 1286969352.

The previous prime is 2573938673. The next prime is 2573938811. The reversal of 2573938706 is 6078393752.

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 only one way, i.e., 2356228681 + 217710025 = 48541^2 + 14755^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643484675 + ... + 643484678.

Almost surely, 2^2573938706 is an apocalyptic number.

2573938706 is a deficient number, since it is larger than the sum of its proper divisors (1286969356).

2573938706 is a wasteful number, since it uses less digits than its factorization.

2573938706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286969355.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 2573938706 is about 50733.9995072338. Note that the first 3 decimals coincide. The cubic root of 2573938706 is about 1370.4590618877.

Adding to 2573938706 its sum of digits (50), we get a square (2573938756 = 50734²).

The spelling of 2573938706 in words is "two billion, five hundred seventy-three million, nine hundred thirty-eight thousand, seven hundred six".