4917512129 has 2 divisors, whose sum is σ = 4917512130. Its totient is φ = 4917512128.

The previous prime is 4917512111. The next prime is 4917512137. The reversal of 4917512129 is 9212157194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4400995600 + 516516529 = 66340^2 + 22727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4917512129 is a prime.

It is a super-2 number, since 2×4917512129² = 48363851077724225282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4917512029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458756064 + 2458756065.

It is an arithmetic number, because the mean of its divisors is an integer number (2458756065).

Almost surely, 2^4917512129 is an apocalyptic number.

It is an amenable number.

4917512129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4917512129 is an equidigital number, since it uses as much as digits as its factorization.

4917512129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 41.

The square root of 4917512129 is about 70124.9750730793. The cubic root of 4917512129 is about 1700.5202708630.

The spelling of 4917512129 in words is "four billion, nine hundred seventeen million, five hundred twelve thousand, one hundred twenty-nine".