10079612872421 has 2 divisors, whose sum is σ = 10079612872422. Its totient is φ = 10079612872420.

The previous prime is 10079612872397. The next prime is 10079612872423. The reversal of 10079612872421 is 12427821697001.

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., 5551914062500 + 4527698809921 = 2356250^2 + 2127839^2 .

It is an emirp because it is prime and its reverse (12427821697001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10079612872421 - 2¹⁰ = 10079612871397 is a prime.

Together with 10079612872423, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10079612872421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10079612872423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5039806436210 + 5039806436211.

It is an arithmetic number, because the mean of its divisors is an integer number (5039806436211).

Almost surely, 2^{10079612872421} is an apocalyptic number.

It is an amenable number.

10079612872421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10079612872421 is an equidigital number, since it uses as much as digits as its factorization.

10079612872421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 10079612872421 in words is "ten trillion, seventy-nine billion, six hundred twelve million, eight hundred seventy-two thousand, four hundred twenty-one".