653432404234356 has 48 divisors (see below), whose sum is σ = 1694143433404800. Its totient is φ = 217803161385216.

The previous prime is 653432404234331. The next prime is 653432404234429.

It is a happy number.

653432404234356 is a `hidden beast` number, since 6 + 5 + 3 + 4 + 3 + 240 + 4 + 2 + 343 + 56 = 666.

653432404234356 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103017816 + ... + 109176623.

It is an arithmetic number, because the mean of its divisors is an integer number (35294654862600).

Almost surely, 2^{653432404234356} is an apocalyptic number.

It is an amenable number.

653432404234356 is an abundant number, since it is smaller than the sum of its proper divisors (1040711029170444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653432404234356 is a wasteful number, since it uses less digits than its factorization.

653432404234356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212222965 (or 212222957 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 54.

It can be divided in two parts, 65343240 and 4234356, that added together give a palindrome (69577596).

The spelling of 653432404234356 in words is "six hundred fifty-three trillion, four hundred thirty-two billion, four hundred four million, two hundred thirty-four thousand, three hundred fifty-six".