995220949 has 2 divisors, whose sum is σ = 995220950. Its totient is φ = 995220948.

The previous prime is 995220943. The next prime is 995220977. The reversal of 995220949 is 949022599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994960849 + 260100 = 31543^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 995220949 - 2²¹ = 993123797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995220943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497610474 + 497610475.

It is an arithmetic number, because the mean of its divisors is an integer number (497610475).

Almost surely, 2^995220949 is an apocalyptic number.

It is an amenable number.

995220949 is a deficient number, since it is larger than the sum of its proper divisors (1).

995220949 is an equidigital number, since it uses as much as digits as its factorization.

995220949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 995220949 is about 31547.1226738668. The cubic root of 995220949 is about 998.4044385376.

The spelling of 995220949 in words is "nine hundred ninety-five million, two hundred twenty thousand, nine hundred forty-nine".