429426718517 has 2 divisors, whose sum is σ = 429426718518. Its totient is φ = 429426718516.

The previous prime is 429426718507. The next prime is 429426718537. The reversal of 429426718517 is 715817624924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428770897636 + 655820881 = 654806^2 + 25609^2 .

It is a cyclic number.

It is not a de Polignac number, because 429426718517 - 2¹⁶ = 429426652981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429426718507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214713359258 + 214713359259.

It is an arithmetic number, because the mean of its divisors is an integer number (214713359259).

Almost surely, 2^429426718517 is an apocalyptic number.

It is an amenable number.

429426718517 is a deficient number, since it is larger than the sum of its proper divisors (1).

429426718517 is an equidigital number, since it uses as much as digits as its factorization.

429426718517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 56.

The spelling of 429426718517 in words is "four hundred twenty-nine billion, four hundred twenty-six million, seven hundred eighteen thousand, five hundred seventeen".