434734572169 has 4 divisors (see below), whose sum is σ = 436047970000. Its totient is φ = 433421174340.

The previous prime is 434734572157. The next prime is 434734572199. The reversal of 434734572169 is 961275437434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 434734572169 - 2¹⁵ = 434734539401 is a prime.

It is a super-2 number, since 2×434734572169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434734572199) 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, 656698419 + ... + 656699080.

It is an arithmetic number, because the mean of its divisors is an integer number (109011992500).

Almost surely, 2^434734572169 is an apocalyptic number.

It is an amenable number.

434734572169 is a deficient number, since it is larger than the sum of its proper divisors (1313397831).

434734572169 is a wasteful number, since it uses less digits than its factorization.

434734572169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313397830.

The product of its digits is 15240960, while the sum is 55.

The spelling of 434734572169 in words is "four hundred thirty-four billion, seven hundred thirty-four million, five hundred seventy-two thousand, one hundred sixty-nine".