103196256409 has 2 divisors, whose sum is σ = 103196256410. Its totient is φ = 103196256408.

The previous prime is 103196256379. The next prime is 103196256431. The reversal of 103196256409 is 904652691301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59066011225 + 44130245184 = 243035^2 + 210072^2 .

It is a cyclic number.

It is not a de Polignac number, because 103196256409 - 2¹⁷ = 103196125337 is a prime.

It is not a weakly prime, because it can be changed into another prime (103196256439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51598128204 + 51598128205.

It is an arithmetic number, because the mean of its divisors is an integer number (51598128205).

Almost surely, 2^103196256409 is an apocalyptic number.

It is an amenable number.

103196256409 is a deficient number, since it is larger than the sum of its proper divisors (1).

103196256409 is an equidigital number, since it uses as much as digits as its factorization.

103196256409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 103196256409 in words is "one hundred three billion, one hundred ninety-six million, two hundred fifty-six thousand, four hundred nine".