979291153121 has 2 divisors, whose sum is σ = 979291153122. Its totient is φ = 979291153120.

The previous prime is 979291152971. The next prime is 979291153147. The reversal of 979291153121 is 121351192979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702311041600 + 276980111521 = 838040^2 + 526289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979291153121 is a prime.

It is a super-3 number, since 3×979291153121³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 979291153121.

It is not a weakly prime, because it can be changed into another prime (979291153171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489645576560 + 489645576561.

It is an arithmetic number, because the mean of its divisors is an integer number (489645576561).

Almost surely, 2^979291153121 is an apocalyptic number.

It is an amenable number.

979291153121 is a deficient number, since it is larger than the sum of its proper divisors (1).

979291153121 is an equidigital number, since it uses as much as digits as its factorization.

979291153121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 50.

The spelling of 979291153121 in words is "nine hundred seventy-nine billion, two hundred ninety-one million, one hundred fifty-three thousand, one hundred twenty-one".