996949069 has 2 divisors, whose sum is σ = 996949070. Its totient is φ = 996949068.

The previous prime is 996949061. The next prime is 996949073. The reversal of 996949069 is 960949699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985646025 + 11303044 = 31395^2 + 3362^2 .

It is an emirp because it is prime and its reverse (960949699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996949069 - 2³ = 996949061 is a prime.

It is a super-2 number, since 2×996949069² = 1987814892359933522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 996948998 and 996949016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996949061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498474534 + 498474535.

It is an arithmetic number, because the mean of its divisors is an integer number (498474535).

Almost surely, 2^996949069 is an apocalyptic number.

It is an amenable number.

996949069 is a deficient number, since it is larger than the sum of its proper divisors (1).

996949069 is an equidigital number, since it uses as much as digits as its factorization.

996949069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 61.

The square root of 996949069 is about 31574.5002969168. The cubic root of 996949069 is about 998.9819870012.

The spelling of 996949069 in words is "nine hundred ninety-six million, nine hundred forty-nine thousand, sixty-nine".