975434188653 has 6 divisors (see below), whose sum is σ = 1408960494734. Its totient is φ = 650289459096.

The previous prime is 975434188639. The next prime is 975434188657. The reversal of 975434188653 is 356881434579.

975434188653 is a `hidden beast` number, since 9 + 7 + 543 + 4 + 1 + 8 + 86 + 5 + 3 = 666.

975434188653 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 514471949289 + 460962239364 = 717267^2 + 678942^2 .

It is not a de Polignac number, because 975434188653 - 2²⁸ = 975165753197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975434188657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54190788250 + ... + 54190788267.

Almost surely, 2^975434188653 is an apocalyptic number.

It is an amenable number.

975434188653 is a deficient number, since it is larger than the sum of its proper divisors (433526306081).

975434188653 is a wasteful number, since it uses less digits than its factorization.

975434188653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108381576523 (or 108381576520 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 975434188653 in words is "nine hundred seventy-five billion, four hundred thirty-four million, one hundred eighty-eight thousand, six hundred fifty-three".