635370473 has 2 divisors, whose sum is σ = 635370474. Its totient is φ = 635370472.

The previous prime is 635370383. The next prime is 635370479. The reversal of 635370473 is 374073536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622352809 + 13017664 = 24947^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 635370473 - 2¹⁸ = 635108329 is a prime.

It is not a weakly prime, because it can be changed into another prime (635370479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317685236 + 317685237.

It is an arithmetic number, because the mean of its divisors is an integer number (317685237).

Almost surely, 2^635370473 is an apocalyptic number.

It is an amenable number.

635370473 is a deficient number, since it is larger than the sum of its proper divisors (1).

635370473 is an equidigital number, since it uses as much as digits as its factorization.

635370473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 38.

The square root of 635370473 is about 25206.5561511286. The cubic root of 635370473 is about 859.6909259827.

The spelling of 635370473 in words is "six hundred thirty-five million, three hundred seventy thousand, four hundred seventy-three".