969631073 has 2 divisors, whose sum is σ = 969631074. Its totient is φ = 969631072.

The previous prime is 969631043. The next prime is 969631093. The reversal of 969631073 is 370136969.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942674209 + 26956864 = 30703^2 + 5192^2 .

It is an emirp because it is prime and its reverse (370136969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969631073 - 2¹⁸ = 969368929 is a prime.

It is not a weakly prime, because it can be changed into another prime (969631043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484815536 + 484815537.

It is an arithmetic number, because the mean of its divisors is an integer number (484815537).

Almost surely, 2^969631073 is an apocalyptic number.

It is an amenable number.

969631073 is a deficient number, since it is larger than the sum of its proper divisors (1).

969631073 is an equidigital number, since it uses as much as digits as its factorization.

969631073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 969631073 is about 31138.8996754863. The cubic root of 969631073 is about 989.7727849813.

The spelling of 969631073 in words is "nine hundred sixty-nine million, six hundred thirty-one thousand, seventy-three".