429900747517 has 4 divisors (see below), whose sum is σ = 429902059356. Its totient is φ = 429899435680.

The previous prime is 429900747439. The next prime is 429900747547. The reversal of 429900747517 is 715747009924.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 421163358841 + 8737388676 = 648971^2 + 93474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429900747517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429900747547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300753 + ... + 974809.

It is an arithmetic number, because the mean of its divisors is an integer number (107475514839).

Almost surely, 2^429900747517 is an apocalyptic number.

It is an amenable number.

429900747517 is a deficient number, since it is larger than the sum of its proper divisors (1311839).

429900747517 is an equidigital number, since it uses as much as digits as its factorization.

429900747517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311838.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 429900747517 in words is "four hundred twenty-nine billion, nine hundred million, seven hundred forty-seven thousand, five hundred seventeen".