999290375417 has 2 divisors, whose sum is σ = 999290375418. Its totient is φ = 999290375416.

The previous prime is 999290375399. The next prime is 999290375429. The reversal of 999290375417 is 714573092999.

999290375417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829767959056 + 169522416361 = 910916^2 + 411731^2 .

It is an emirp because it is prime and its reverse (714573092999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999290375417 - 2⁶ = 999290375353 is a prime.

It is not a weakly prime, because it can be changed into another prime (999290375477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499645187708 + 499645187709.

It is an arithmetic number, because the mean of its divisors is an integer number (499645187709).

Almost surely, 2^999290375417 is an apocalyptic number.

It is an amenable number.

999290375417 is a deficient number, since it is larger than the sum of its proper divisors (1).

999290375417 is an equidigital number, since it uses as much as digits as its factorization.

999290375417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38578680, while the sum is 65.

The spelling of 999290375417 in words is "nine hundred ninety-nine billion, two hundred ninety million, three hundred seventy-five thousand, four hundred seventeen".