9129616501 has 2 divisors, whose sum is σ = 9129616502. Its totient is φ = 9129616500.

The previous prime is 9129616487. The next prime is 9129616547. The reversal of 9129616501 is 1056169219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8404122276 + 725494225 = 91674^2 + 26935^2 .

It is a cyclic number.

It is not a de Polignac number, because 9129616501 - 2¹¹ = 9129614453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9129616201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4564808250 + 4564808251.

It is an arithmetic number, because the mean of its divisors is an integer number (4564808251).

Almost surely, 2^9129616501 is an apocalyptic number.

It is an amenable number.

9129616501 is a deficient number, since it is larger than the sum of its proper divisors (1).

9129616501 is an equidigital number, since it uses as much as digits as its factorization.

9129616501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 9129616501 is about 95549.0266878737. The cubic root of 9129616501 is about 2090.0219392094.

The spelling of 9129616501 in words is "nine billion, one hundred twenty-nine million, six hundred sixteen thousand, five hundred one".