10195400826931 has 2 divisors, whose sum is σ = 10195400826932. Its totient is φ = 10195400826930.

The previous prime is 10195400826917. The next prime is 10195400826979. The reversal of 10195400826931 is 13962800459101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10195400826931 - 2¹¹ = 10195400824883 is a prime.

It is a super-2 number, since 2×10195400826931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10195400326931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097700413465 + 5097700413466.

It is an arithmetic number, because the mean of its divisors is an integer number (5097700413466).

Almost surely, 2^{10195400826931} is an apocalyptic number.

10195400826931 is a deficient number, since it is larger than the sum of its proper divisors (1).

10195400826931 is an equidigital number, since it uses as much as digits as its factorization.

10195400826931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 10195400826931 in words is "ten trillion, one hundred ninety-five billion, four hundred million, eight hundred twenty-six thousand, nine hundred thirty-one".