10195440259 has 2 divisors, whose sum is σ = 10195440260. Its totient is φ = 10195440258.

The previous prime is 10195440181. The next prime is 10195440263. The reversal of 10195440259 is 95204459101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10195440259 - 2⁷ = 10195440131 is a prime.

It is not a weakly prime, because it can be changed into another prime (10195440289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097720129 + 5097720130.

It is an arithmetic number, because the mean of its divisors is an integer number (5097720130).

Almost surely, 2^10195440259 is an apocalyptic number.

10195440259 is a deficient number, since it is larger than the sum of its proper divisors (1).

10195440259 is an equidigital number, since it uses as much as digits as its factorization.

10195440259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 10195440259 in words is "ten billion, one hundred ninety-five million, four hundred forty thousand, two hundred fifty-nine".