29628441617 has 2 divisors, whose sum is σ = 29628441618. Its totient is φ = 29628441616.

The previous prime is 29628441569. The next prime is 29628441631. The reversal of 29628441617 is 71614482692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21856961281 + 7771480336 = 147841^2 + 88156^2 .

It is a cyclic number.

It is not a de Polignac number, because 29628441617 - 2¹² = 29628437521 is a prime.

It is not a weakly prime, because it can be changed into another prime (29628441637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14814220808 + 14814220809.

It is an arithmetic number, because the mean of its divisors is an integer number (14814220809).

Almost surely, 2^29628441617 is an apocalyptic number.

It is an amenable number.

29628441617 is a deficient number, since it is larger than the sum of its proper divisors (1).

29628441617 is an equidigital number, since it uses as much as digits as its factorization.

29628441617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The spelling of 29628441617 in words is "twenty-nine billion, six hundred twenty-eight million, four hundred forty-one thousand, six hundred seventeen".