1796895649 has 2 divisors, whose sum is σ = 1796895650. Its totient is φ = 1796895648.

The previous prime is 1796895613. The next prime is 1796895703. The reversal of 1796895649 is 9465986971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1780249249 + 16646400 = 42193^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1796895649 - 2¹¹ = 1796893601 is a prime.

It is a super-3 number, since 3×1796895649³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1796805649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898447824 + 898447825.

It is an arithmetic number, because the mean of its divisors is an integer number (898447825).

Almost surely, 2^1796895649 is an apocalyptic number.

It is an amenable number.

1796895649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1796895649 is an equidigital number, since it uses as much as digits as its factorization.

1796895649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 64.

The square root of 1796895649 is about 42389.8059561494. The cubic root of 1796895649 is about 1215.7406896802.

The spelling of 1796895649 in words is "one billion, seven hundred ninety-six million, eight hundred ninety-five thousand, six hundred forty-nine".