634142033443 has 16 divisors (see below), whose sum is σ = 675632102400. Its totient is φ = 593475664320.

The previous prime is 634142033417. The next prime is 634142033513. The reversal of 634142033443 is 344330241436.

634142033443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634142033443 - 2³³ = 625552098851 is a prime.

It is a super-2 number, since 2×634142033443² (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 (634142033543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695178 + ... + 2035168.

It is an arithmetic number, because the mean of its divisors is an integer number (42227006400).

Almost surely, 2^634142033443 is an apocalyptic number.

634142033443 is a deficient number, since it is larger than the sum of its proper divisors (41490068957).

634142033443 is a wasteful number, since it uses less digits than its factorization.

634142033443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341202.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 634142033443 its reverse (344330241436), we get a palindrome (978472274879).

The spelling of 634142033443 in words is "six hundred thirty-four billion, one hundred forty-two million, thirty-three thousand, four hundred forty-three".