29484934561 has 2 divisors, whose sum is σ = 29484934562. Its totient is φ = 29484934560.

The previous prime is 29484934481. The next prime is 29484934639. The reversal of 29484934561 is 16543948492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28167244561 + 1317690000 = 167831^2 + 36300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29484934561 is a prime.

It is a super-2 number, since 2×29484934561² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29484931561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14742467280 + 14742467281.

It is an arithmetic number, because the mean of its divisors is an integer number (14742467281).

Almost surely, 2^29484934561 is an apocalyptic number.

It is an amenable number.

29484934561 is a deficient number, since it is larger than the sum of its proper divisors (1).

29484934561 is an equidigital number, since it uses as much as digits as its factorization.

29484934561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 55.

The spelling of 29484934561 in words is "twenty-nine billion, four hundred eighty-four million, nine hundred thirty-four thousand, five hundred sixty-one".