9674519917 has 2 divisors, whose sum is σ = 9674519918. Its totient is φ = 9674519916.

The previous prime is 9674519893. The next prime is 9674519951. The reversal of 9674519917 is 7199154769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9159638436 + 514881481 = 95706^2 + 22691^2 .

It is a cyclic number.

It is not a de Polignac number, because 9674519917 - 2³¹ = 7527036269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9674519977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837259958 + 4837259959.

It is an arithmetic number, because the mean of its divisors is an integer number (4837259959).

Almost surely, 2^9674519917 is an apocalyptic number.

It is an amenable number.

9674519917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9674519917 is an equidigital number, since it uses as much as digits as its factorization.

9674519917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 58.

The square root of 9674519917 is about 98359.1374352175. The cubic root of 9674519917 is about 2130.8022220851.

The spelling of 9674519917 in words is "nine billion, six hundred seventy-four million, five hundred nineteen thousand, nine hundred seventeen".