1799034917 has 2 divisors, whose sum is σ = 1799034918. Its totient is φ = 1799034916.

The previous prime is 1799034871. The next prime is 1799034949. The reversal of 1799034917 is 7194309971.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1226820676 + 572214241 = 35026^2 + 23921^2 .

It is an emirp because it is prime and its reverse (7194309971) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1799034917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799034967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899517458 + 899517459.

It is an arithmetic number, because the mean of its divisors is an integer number (899517459).

Almost surely, 2^1799034917 is an apocalyptic number.

It is an amenable number.

1799034917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799034917 is an equidigital number, since it uses as much as digits as its factorization.

1799034917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 1799034917 is about 42415.0317340445. The cubic root of 1799034917 is about 1216.2229591476. Note that the first 3 decimals are identical.

The spelling of 1799034917 in words is "one billion, seven hundred ninety-nine million, thirty-four thousand, nine hundred seventeen".