434538208887157 has 4 divisors (see below), whose sum is σ = 434546420323680. Its totient is φ = 434529997450636.

The previous prime is 434538208887067. The next prime is 434538208887163. The reversal of 434538208887157 is 751788802835434.

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 434538208887157 - 2³⁹ = 433988453073269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434538208887157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434538208882157) 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, 4105638883 + ... + 4105744720.

It is an arithmetic number, because the mean of its divisors is an integer number (108636605080920).

Almost surely, 2^{434538208887157} is an apocalyptic number.

It is an amenable number.

434538208887157 is a deficient number, since it is larger than the sum of its proper divisors (8211436523).

434538208887157 is an equidigital number, since it uses as much as digits as its factorization.

434538208887157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211436522.

The product of its (nonzero) digits is 1445068800, while the sum is 73.

The spelling of 434538208887157 in words is "four hundred thirty-four trillion, five hundred thirty-eight billion, two hundred eight million, eight hundred eighty-seven thousand, one hundred fifty-seven".