4625939449 has 4 divisors (see below), whose sum is σ = 4627012864. Its totient is φ = 4624866036.

The previous prime is 4625939413. The next prime is 4625939471. The reversal of 4625939449 is 9449395264.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4625939449 - 2⁹ = 4625938937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4625939449.

It is not an unprimeable number, because it can be changed into a prime (4625939489) 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, 530217 + ... + 538870.

It is an arithmetic number, because the mean of its divisors is an integer number (1156753216).

Almost surely, 2^4625939449 is an apocalyptic number.

It is an amenable number.

4625939449 is a deficient number, since it is larger than the sum of its proper divisors (1073415).

4625939449 is a wasteful number, since it uses less digits than its factorization.

4625939449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073414.

The product of its digits is 8398080, while the sum is 55.

The square root of 4625939449 is about 68014.2591593851. The cubic root of 4625939449 is about 1666.2237272844.

The spelling of 4625939449 in words is "four billion, six hundred twenty-five million, nine hundred thirty-nine thousand, four hundred forty-nine".