29530506915157 has 2 divisors, whose sum is σ = 29530506915158. Its totient is φ = 29530506915156.

The previous prime is 29530506915101. The next prime is 29530506915263. The reversal of 29530506915157 is 75151960503592.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24421397123601 + 5109109791556 = 4941801^2 + 2260334^2 .

It is a cyclic number.

It is not a de Polignac number, because 29530506915157 - 2³¹ = 29528359431509 is a prime.

It is a super-2 number, since 2×29530506915157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29530506915457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14765253457578 + 14765253457579.

It is an arithmetic number, because the mean of its divisors is an integer number (14765253457579).

Almost surely, 2^{29530506915157} is an apocalyptic number.

It is an amenable number.

29530506915157 is a deficient number, since it is larger than the sum of its proper divisors (1).

29530506915157 is an equidigital number, since it uses as much as digits as its factorization.

29530506915157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12757500, while the sum is 58.

The spelling of 29530506915157 in words is "twenty-nine trillion, five hundred thirty billion, five hundred six million, nine hundred fifteen thousand, one hundred fifty-seven".