949599817 has 2 divisors, whose sum is σ = 949599818. Its totient is φ = 949599816.

The previous prime is 949599773. The next prime is 949599869. The reversal of 949599817 is 718995949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867950521 + 81649296 = 29461^2 + 9036^2 .

It is a cyclic number.

It is not a de Polignac number, because 949599817 - 2¹¹ = 949597769 is a prime.

It is not a weakly prime, because it can be changed into another prime (949599517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474799908 + 474799909.

It is an arithmetic number, because the mean of its divisors is an integer number (474799909).

Almost surely, 2^949599817 is an apocalyptic number.

It is an amenable number.

949599817 is a deficient number, since it is larger than the sum of its proper divisors (1).

949599817 is an equidigital number, since it uses as much as digits as its factorization.

949599817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 61.

The square root of 949599817 is about 30815.5775055409. The cubic root of 949599817 is about 982.9095183937.

The spelling of 949599817 in words is "nine hundred forty-nine million, five hundred ninety-nine thousand, eight hundred seventeen".