4049625679 has 4 divisors (see below), whose sum is σ = 4417773480. Its totient is φ = 3681477880.

The previous prime is 4049625673. The next prime is 4049625689. The reversal of 4049625679 is 9765269404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4049625679 - 2¹⁷ = 4049494607 is a prime.

It is a super-2 number, since 2×4049625679² = 32798936280032422082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049625673) 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, 184073884 + ... + 184073905.

It is an arithmetic number, because the mean of its divisors is an integer number (1104443370).

Almost surely, 2^4049625679 is an apocalyptic number.

4049625679 is a deficient number, since it is larger than the sum of its proper divisors (368147801).

4049625679 is a wasteful number, since it uses less digits than its factorization.

4049625679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368147800.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 4049625679 is about 63636.6692953049. The cubic root of 4049625679 is about 1593.9387441846.

The spelling of 4049625679 in words is "four billion, forty-nine million, six hundred twenty-five thousand, six hundred seventy-nine".