797631049 has 2 divisors, whose sum is σ = 797631050. Its totient is φ = 797631048.

The previous prime is 797631019. The next prime is 797631071. The reversal of 797631049 is 940136797.

797631049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797045824 + 585225 = 28232^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 797631049 - 2¹³ = 797622857 is a prime.

It is not a weakly prime, because it can be changed into another prime (797631019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398815524 + 398815525.

It is an arithmetic number, because the mean of its divisors is an integer number (398815525).

Almost surely, 2^797631049 is an apocalyptic number.

It is an amenable number.

797631049 is a deficient number, since it is larger than the sum of its proper divisors (1).

797631049 is an equidigital number, since it uses as much as digits as its factorization.

797631049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 797631049 is about 28242.3626667459. The cubic root of 797631049 is about 927.4005527356.

The spelling of 797631049 in words is "seven hundred ninety-seven million, six hundred thirty-one thousand, forty-nine".