9146898579479 has 2 divisors, whose sum is σ = 9146898579480. Its totient is φ = 9146898579478.

The previous prime is 9146898579443. The next prime is 9146898579487. The reversal of 9146898579479 is 9749758986419.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9146898579479 - 2³² = 9142603612183 is a prime.

It is a super-2 number, since 2×9146898579479² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9146898579479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9146898579439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4573449289739 + 4573449289740.

It is an arithmetic number, because the mean of its divisors is an integer number (4573449289740).

Almost surely, 2^{9146898579479} is an apocalyptic number.

9146898579479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9146898579479 is an equidigital number, since it uses as much as digits as its factorization.

9146898579479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9876142080, while the sum is 86.

The spelling of 9146898579479 in words is "nine trillion, one hundred forty-six billion, eight hundred ninety-eight million, five hundred seventy-nine thousand, four hundred seventy-nine".