1796905949 has 2 divisors, whose sum is σ = 1796905950. Its totient is φ = 1796905948.

The previous prime is 1796905939. The next prime is 1796905961. The reversal of 1796905949 is 9495096971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216963225 + 579942724 = 34885^2 + 24082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1796905949 - 2¹⁶ = 1796840413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1796905919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898452974 + 898452975.

It is an arithmetic number, because the mean of its divisors is an integer number (898452975).

Almost surely, 2^1796905949 is an apocalyptic number.

It is an amenable number.

1796905949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1796905949 is an equidigital number, since it uses as much as digits as its factorization.

1796905949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The square root of 1796905949 is about 42389.9274474491. The cubic root of 1796905949 is about 1215.7430125947.

The spelling of 1796905949 in words is "one billion, seven hundred ninety-six million, nine hundred five thousand, nine hundred forty-nine".