835036649 has 2 divisors, whose sum is σ = 835036650. Its totient is φ = 835036648.

The previous prime is 835036633. The next prime is 835036663. The reversal of 835036649 is 946630538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720546649 + 114490000 = 26843^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 835036649 - 2⁴ = 835036633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (835036669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417518324 + 417518325.

It is an arithmetic number, because the mean of its divisors is an integer number (417518325).

Almost surely, 2^835036649 is an apocalyptic number.

It is an amenable number.

835036649 is a deficient number, since it is larger than the sum of its proper divisors (1).

835036649 is an equidigital number, since it uses as much as digits as its factorization.

835036649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 835036649 is about 28897.0006921134. Note that the first 3 decimals coincide. The cubic root of 835036649 is about 941.6767451067.

The spelling of 835036649 in words is "eight hundred thirty-five million, thirty-six thousand, six hundred forty-nine".