1799415250469 has 2 divisors, whose sum is σ = 1799415250470. Its totient is φ = 1799415250468.

The previous prime is 1799415250463. The next prime is 1799415250499. The reversal of 1799415250469 is 9640525149971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416825993025 + 382589257444 = 1190305^2 + 618538^2 .

It is a cyclic number.

It is not a de Polignac number, because 1799415250469 - 2¹⁶ = 1799415184933 is a prime.

It is a super-2 number, since 2×1799415250469² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799415250463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899707625234 + 899707625235.

It is an arithmetic number, because the mean of its divisors is an integer number (899707625235).

Almost surely, 2^{1799415250469} is an apocalyptic number.

It is an amenable number.

1799415250469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799415250469 is an equidigital number, since it uses as much as digits as its factorization.

1799415250469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 1799415250469 in words is "one trillion, seven hundred ninety-nine billion, four hundred fifteen million, two hundred fifty thousand, four hundred sixty-nine".