9428400125 has 16 divisors (see below), whose sum is σ = 12084666672. Its totient is φ = 7338859200.

The previous prime is 9428400101. The next prime is 9428400133. The reversal of 9428400125 is 5210048249.

It can be written as a sum of positive squares in 8 ways, for example, as 3471802084 + 5956598041 = 58922^2 + 77179^2 .

It is not a de Polignac number, because 9428400125 - 2¹⁸ = 9428137981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014662 + ... + 1023911.

It is an arithmetic number, because the mean of its divisors is an integer number (755291667).

Almost surely, 2^9428400125 is an apocalyptic number.

It is an amenable number.

9428400125 is a deficient number, since it is larger than the sum of its proper divisors (2656266547).

9428400125 is a wasteful number, since it uses less digits than its factorization.

9428400125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038625 (or 2038615 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 9428400125 is about 97099.9491503471. The cubic root of 9428400125 is about 2112.5775889713.

The spelling of 9428400125 in words is "nine billion, four hundred twenty-eight million, four hundred thousand, one hundred twenty-five".