34345498729 has 2 divisors, whose sum is σ = 34345498730. Its totient is φ = 34345498728.

The previous prime is 34345498721. The next prime is 34345498757. The reversal of 34345498729 is 92789454343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28454629225 + 5890869504 = 168685^2 + 76752^2 .

It is a cyclic number.

It is not a de Polignac number, because 34345498729 - 2³ = 34345498721 is a prime.

It is a super-2 number, since 2×34345498729² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (34345498721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172749364 + 17172749365.

It is an arithmetic number, because the mean of its divisors is an integer number (17172749365).

Almost surely, 2^34345498729 is an apocalyptic number.

It is an amenable number.

34345498729 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345498729 is an equidigital number, since it uses as much as digits as its factorization.

34345498729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 58.

The spelling of 34345498729 in words is "thirty-four billion, three hundred forty-five million, four hundred ninety-eight thousand, seven hundred twenty-nine".