949991797 has 2 divisors, whose sum is σ = 949991798. Its totient is φ = 949991796.

The previous prime is 949991767. The next prime is 949991803. The reversal of 949991797 is 797199949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617075281 + 332916516 = 24841^2 + 18246^2 .

It is a cyclic number.

It is not a de Polignac number, because 949991797 - 2¹⁵ = 949959029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949991717) 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, 474995898 + 474995899.

It is an arithmetic number, because the mean of its divisors is an integer number (474995899).

Almost surely, 2^949991797 is an apocalyptic number.

It is an amenable number.

949991797 is a deficient number, since it is larger than the sum of its proper divisors (1).

949991797 is an equidigital number, since it uses as much as digits as its factorization.

949991797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11573604, while the sum is 64.

The square root of 949991797 is about 30821.9369443259. The cubic root of 949991797 is about 983.0447430311.

The spelling of 949991797 in words is "nine hundred forty-nine million, nine hundred ninety-one thousand, seven hundred ninety-seven".