429142716505 has 4 divisors (see below), whose sum is σ = 514971259812. Its totient is φ = 343314173200.

The previous prime is 429142716491. The next prime is 429142716521. The reversal of 429142716505 is 505617241924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247430635776 + 181712080729 = 497424^2 + 426277^2 .

It is not a de Polignac number, because 429142716505 - 2¹⁵ = 429142683737 is a prime.

It is a super-2 number, since 2×429142716505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42914271646 + ... + 42914271655.

It is an arithmetic number, because the mean of its divisors is an integer number (128742814953).

Almost surely, 2^429142716505 is an apocalyptic number.

It is an amenable number.

429142716505 is a deficient number, since it is larger than the sum of its proper divisors (85828543307).

429142716505 is an equidigital number, since it uses as much as digits as its factorization.

429142716505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85828543306.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 429142716505 in words is "four hundred twenty-nine billion, one hundred forty-two million, seven hundred sixteen thousand, five hundred five".