9925140629 has 2 divisors, whose sum is σ = 9925140630. Its totient is φ = 9925140628.

The previous prime is 9925140601. The next prime is 9925140671. The reversal of 9925140629 is 9260415299.

It is a happy number.

9925140629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9925140625 + 4 = 99625^2 + 2^2 .

It is an emirp because it is prime and its reverse (9260415299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9925140629 - 2⁸ = 9925140373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9925140689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4962570314 + 4962570315.

It is an arithmetic number, because the mean of its divisors is an integer number (4962570315).

Almost surely, 2^9925140629 is an apocalyptic number.

It is an amenable number.

9925140629 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925140629 is an equidigital number, since it uses as much as digits as its factorization.

9925140629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 9925140629 is about 99625.0000200753. Note that the first 4 decimals coincide. The cubic root of 9925140629 is about 2149.0452316685.

The spelling of 9925140629 in words is "nine billion, nine hundred twenty-five million, one hundred forty thousand, six hundred twenty-nine".