4394525493 has 4 divisors (see below), whose sum is σ = 5859367328. Its totient is φ = 2929683660.

The previous prime is 4394525489. The next prime is 4394525503. The reversal of 4394525493 is 3945254934.

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 not a de Polignac number, because 4394525493 - 2² = 4394525489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394525293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732420913 + ... + 732420918.

It is an arithmetic number, because the mean of its divisors is an integer number (1464841832).

Almost surely, 2^4394525493 is an apocalyptic number.

It is an amenable number.

4394525493 is a deficient number, since it is larger than the sum of its proper divisors (1464841835).

4394525493 is a wasteful number, since it uses less digits than its factorization.

4394525493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464841834.

The product of its digits is 2332800, while the sum is 48.

The square root of 4394525493 is about 66291.2173142114. The cubic root of 4394525493 is about 1637.9626561159.

The spelling of 4394525493 in words is "four billion, three hundred ninety-four million, five hundred twenty-five thousand, four hundred ninety-three".