9953948929 has 2 divisors, whose sum is σ = 9953948930. Its totient is φ = 9953948928.

The previous prime is 9953948899. The next prime is 9953949029. The reversal of 9953948929 is 9298493599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7821633600 + 2132315329 = 88440^2 + 46177^2 .

It is a cyclic number.

It is not a de Polignac number, because 9953948929 - 2⁷ = 9953948801 is a prime.

It is a super-2 number, since 2×9953948929² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9953943929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4976974464 + 4976974465.

It is an arithmetic number, because the mean of its divisors is an integer number (4976974465).

Almost surely, 2^9953948929 is an apocalyptic number.

It is an amenable number.

9953948929 is a deficient number, since it is larger than the sum of its proper divisors (1).

9953948929 is an equidigital number, since it uses as much as digits as its factorization.

9953948929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 67.

The square root of 9953948929 is about 99769.4789452165. The cubic root of 9953948929 is about 2151.1224662725.

The spelling of 9953948929 in words is "nine billion, nine hundred fifty-three million, nine hundred forty-eight thousand, nine hundred twenty-nine".