972923311769 has 2 divisors, whose sum is σ = 972923311770. Its totient is φ = 972923311768.

The previous prime is 972923311751. The next prime is 972923311813. The reversal of 972923311769 is 967113329279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927378630025 + 45544681744 = 963005^2 + 213412^2 .

It is a cyclic number.

It is not a de Polignac number, because 972923311769 - 2⁸ = 972923311513 is a prime.

It is a super-2 number, since 2×972923311769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (972923311709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486461655884 + 486461655885.

It is an arithmetic number, because the mean of its divisors is an integer number (486461655885).

Almost surely, 2^972923311769 is an apocalyptic number.

It is an amenable number.

972923311769 is a deficient number, since it is larger than the sum of its proper divisors (1).

972923311769 is an equidigital number, since it uses as much as digits as its factorization.

972923311769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 59.

The spelling of 972923311769 in words is "nine hundred seventy-two billion, nine hundred twenty-three million, three hundred eleven thousand, seven hundred sixty-nine".