972506446069 has 2 divisors, whose sum is σ = 972506446070. Its totient is φ = 972506446068.

The previous prime is 972506446063. The next prime is 972506446139. The reversal of 972506446069 is 960644605279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681759021969 + 290747424100 = 825687^2 + 539210^2 .

It is an emirp because it is prime and its reverse (960644605279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972506446069 - 2³³ = 963916511477 is a prime.

It is a super-2 number, since 2×972506446069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972506446063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486253223034 + 486253223035.

It is an arithmetic number, because the mean of its divisors is an integer number (486253223035).

Almost surely, 2^972506446069 is an apocalyptic number.

It is an amenable number.

972506446069 is a deficient number, since it is larger than the sum of its proper divisors (1).

972506446069 is an equidigital number, since it uses as much as digits as its factorization.

972506446069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 972506446069 in words is "nine hundred seventy-two billion, five hundred six million, four hundred forty-six thousand, sixty-nine".