972944611853 has 2 divisors, whose sum is σ = 972944611854. Its totient is φ = 972944611852.

The previous prime is 972944611823. The next prime is 972944611889. The reversal of 972944611853 is 358116449279.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883425168649 + 89519443204 = 939907^2 + 299198^2 .

It is a cyclic number.

It is not a de Polignac number, because 972944611853 - 2¹⁸ = 972944349709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972944611792 and 972944611801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972944611823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486472305926 + 486472305927.

It is an arithmetic number, because the mean of its divisors is an integer number (486472305927).

Almost surely, 2^972944611853 is an apocalyptic number.

It is an amenable number.

972944611853 is a deficient number, since it is larger than the sum of its proper divisors (1).

972944611853 is an equidigital number, since it uses as much as digits as its factorization.

972944611853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The spelling of 972944611853 in words is "nine hundred seventy-two billion, nine hundred forty-four million, six hundred eleven thousand, eight hundred fifty-three".