4725958781 has 4 divisors (see below), whose sum is σ = 4728262812. Its totient is φ = 4723654752.

The previous prime is 4725958763. The next prime is 4725958789. The reversal of 4725958781 is 1878595274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3923143225 + 802815556 = 62635^2 + 28334^2 .

It is a cyclic number.

It is not a de Polignac number, because 4725958781 - 2¹⁰ = 4725957757 is a prime.

It is a super-2 number, since 2×4725958781² = 44669372799422011922, 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 (4725958789) 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, 1148936 + ... + 1153041.

It is an arithmetic number, because the mean of its divisors is an integer number (1182065703).

Almost surely, 2^4725958781 is an apocalyptic number.

It is an amenable number.

4725958781 is a deficient number, since it is larger than the sum of its proper divisors (2304031).

4725958781 is a wasteful number, since it uses less digits than its factorization.

4725958781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304030.

The product of its digits is 5644800, while the sum is 56.

The square root of 4725958781 is about 68745.6091761503. The cubic root of 4725958781 is about 1678.1469057319.

The spelling of 4725958781 in words is "four billion, seven hundred twenty-five million, nine hundred fifty-eight thousand, seven hundred eighty-one".