969147973 has 2 divisors, whose sum is σ = 969147974. Its totient is φ = 969147972.

The previous prime is 969147913. The next prime is 969147979. The reversal of 969147973 is 379741969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918211204 + 50936769 = 30302^2 + 7137^2 .

It is an emirp because it is prime and its reverse (379741969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969147973 - 2²⁵ = 935593541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969147979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484573986 + 484573987.

It is an arithmetic number, because the mean of its divisors is an integer number (484573987).

Almost surely, 2^969147973 is an apocalyptic number.

It is an amenable number.

969147973 is a deficient number, since it is larger than the sum of its proper divisors (1).

969147973 is an equidigital number, since it uses as much as digits as its factorization.

969147973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The square root of 969147973 is about 31131.1415306281. The cubic root of 969147973 is about 989.6083792677.

The spelling of 969147973 in words is "nine hundred sixty-nine million, one hundred forty-seven thousand, nine hundred seventy-three".