634426269 has 8 divisors (see below), whose sum is σ = 854622720. Its totient is φ = 418590336.

The previous prime is 634426249. The next prime is 634426297. The reversal of 634426269 is 962624436.

634426269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634426269 - 2⁷ = 634426141 is a prime.

It is a super-2 number, since 2×634426269² = 804993381594520722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 634426269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634426249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089789 + ... + 1090370.

It is an arithmetic number, because the mean of its divisors is an integer number (106827840).

Almost surely, 2^634426269 is an apocalyptic number.

It is an amenable number.

634426269 is a deficient number, since it is larger than the sum of its proper divisors (220196451).

634426269 is a wasteful number, since it uses less digits than its factorization.

634426269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180259.

The product of its digits is 373248, while the sum is 42.

The square root of 634426269 is about 25187.8198540485. The cubic root of 634426269 is about 859.2648616784.

The spelling of 634426269 in words is "six hundred thirty-four million, four hundred twenty-six thousand, two hundred sixty-nine".