949679953 has 2 divisors, whose sum is σ = 949679954. Its totient is φ = 949679952.

The previous prime is 949679923. The next prime is 949679963. The reversal of 949679953 is 359976949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860131584 + 89548369 = 29328^2 + 9463^2 .

It is an emirp because it is prime and its reverse (359976949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949679953 - 2¹⁷ = 949548881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 949679891 and 949679900.

It is not a weakly prime, because it can be changed into another prime (949679923) 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, 474839976 + 474839977.

It is an arithmetic number, because the mean of its divisors is an integer number (474839977).

Almost surely, 2^949679953 is an apocalyptic number.

It is an amenable number.

949679953 is a deficient number, since it is larger than the sum of its proper divisors (1).

949679953 is an equidigital number, since it uses as much as digits as its factorization.

949679953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 61.

The square root of 949679953 is about 30816.8777295819. The cubic root of 949679953 is about 982.9371666094.

The spelling of 949679953 in words is "nine hundred forty-nine million, six hundred seventy-nine thousand, nine hundred fifty-three".