10391903425 has 12 divisors (see below), whose sum is σ = 13018808236. Its totient is φ = 8227814400.

The previous prime is 10391903407. The next prime is 10391903437. The reversal of 10391903425 is 52430919301.

10391903425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1996213041 + 8395690384 = 44679^2 + 91628^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10391903425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2140236 + ... + 2145085.

Almost surely, 2^10391903425 is an apocalyptic number.

It is an amenable number.

10391903425 is a deficient number, since it is larger than the sum of its proper divisors (2626904811).

10391903425 is an equidigital number, since it uses as much as digits as its factorization.

10391903425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285428 (or 4285423 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 10391903425 in words is "ten billion, three hundred ninety-one million, nine hundred three thousand, four hundred twenty-five".