104960978321 has 2 divisors, whose sum is σ = 104960978322. Its totient is φ = 104960978320.

The previous prime is 104960978299. The next prime is 104960978351. The reversal of 104960978321 is 123879069401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83500193296 + 21460785025 = 288964^2 + 146495^2 .

It is an emirp because it is prime and its reverse (123879069401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104960978321 - 2²² = 104956784017 is a prime.

It is a super-2 number, since 2×104960978321² (a number of 23 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 104960978321.

It is not a weakly prime, because it can be changed into another prime (104960978351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52480489160 + 52480489161.

It is an arithmetic number, because the mean of its divisors is an integer number (52480489161).

Almost surely, 2^104960978321 is an apocalyptic number.

It is an amenable number.

104960978321 is a deficient number, since it is larger than the sum of its proper divisors (1).

104960978321 is an equidigital number, since it uses as much as digits as its factorization.

104960978321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 104960978321 in words is "one hundred four billion, nine hundred sixty million, nine hundred seventy-eight thousand, three hundred twenty-one".