634400282153 has 8 divisors (see below), whose sum is σ = 692098158720. Its totient is φ = 576706592880.

The previous prime is 634400282147. The next prime is 634400282177. The reversal of 634400282153 is 351282004436.

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

It is not a de Polignac number, because 634400282153 - 2²² = 634396087849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634400282653) 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, 725750 + ... + 1339967.

It is an arithmetic number, because the mean of its divisors is an integer number (86512269840).

Almost surely, 2^634400282153 is an apocalyptic number.

It is an amenable number.

634400282153 is a deficient number, since it is larger than the sum of its proper divisors (57697876567).

634400282153 is a wasteful number, since it uses less digits than its factorization.

634400282153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093647.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 634400282153 its reverse (351282004436), we get a palindrome (985682286589).

The spelling of 634400282153 in words is "six hundred thirty-four billion, four hundred million, two hundred eighty-two thousand, one hundred fifty-three".