9942458725 has 48 divisors (see below), whose sum is σ = 13123731456. Its totient is φ = 7460280000.

The previous prime is 9942458707. The next prime is 9942458731. The reversal of 9942458725 is 5278542499.

It is a happy number.

9942458725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9942458725 - 2⁷ = 9942458597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3896200 + ... + 3898750.

It is an arithmetic number, because the mean of its divisors is an integer number (273411072).

Almost surely, 2^9942458725 is an apocalyptic number.

It is an amenable number.

9942458725 is a deficient number, since it is larger than the sum of its proper divisors (3181272731).

9942458725 is a wasteful number, since it uses less digits than its factorization.

9942458725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2741 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The square root of 9942458725 is about 99711.8785551651. The cubic root of 9942458725 is about 2150.2944413764.

The spelling of 9942458725 in words is "nine billion, nine hundred forty-two million, four hundred fifty-eight thousand, seven hundred twenty-five".