534738905 has 4 divisors (see below), whose sum is σ = 641686692. Its totient is φ = 427791120.

The previous prime is 534738901. The next prime is 534738931. The reversal of 534738905 is 509837435.

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 131974144 + 402764761 = 11488^2 + 20069^2 .

It is not a de Polignac number, because 534738905 - 2² = 534738901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534738901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53473886 + ... + 53473895.

It is an arithmetic number, because the mean of its divisors is an integer number (160421673).

Almost surely, 2^534738905 is an apocalyptic number.

It is an amenable number.

534738905 is a deficient number, since it is larger than the sum of its proper divisors (106947787).

534738905 is a wasteful number, since it uses less digits than its factorization.

534738905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106947786.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 534738905 is about 23124.4222630534. The cubic root of 534738905 is about 811.6720553809.

The spelling of 534738905 in words is "five hundred thirty-four million, seven hundred thirty-eight thousand, nine hundred five".