10195400826979 has 2 divisors, whose sum is σ = 10195400826980. Its totient is φ = 10195400826978.

The previous prime is 10195400826931. The next prime is 10195400827039. The reversal of 10195400826979 is 97962800459101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10195400826979 - 2²⁷ = 10195266609251 is a prime.

It is not a weakly prime, because it can be changed into another prime (10195400826379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097700413489 + 5097700413490.

It is an arithmetic number, because the mean of its divisors is an integer number (5097700413490).

Almost surely, 2^{10195400826979} is an apocalyptic number.

10195400826979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10195400826979 is an equidigital number, since it uses as much as digits as its factorization.

10195400826979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 61.

The spelling of 10195400826979 in words is "ten trillion, one hundred ninety-five billion, four hundred million, eight hundred twenty-six thousand, nine hundred seventy-nine".