633146873 has 2 divisors, whose sum is σ = 633146874. Its totient is φ = 633146872.

The previous prime is 633146867. The next prime is 633146893. The reversal of 633146873 is 378641336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317267344 + 315879529 = 17812^2 + 17773^2 .

It is a cyclic number.

It is not a de Polignac number, because 633146873 - 2¹⁴ = 633130489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 633146873.

It is not a weakly prime, because it can be changed into another prime (633146863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316573436 + 316573437.

It is an arithmetic number, because the mean of its divisors is an integer number (316573437).

Almost surely, 2^633146873 is an apocalyptic number.

It is an amenable number.

633146873 is a deficient number, since it is larger than the sum of its proper divisors (1).

633146873 is an equidigital number, since it uses as much as digits as its factorization.

633146873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 633146873 is about 25162.4099203554. The cubic root of 633146873 is about 858.6868697231.

The spelling of 633146873 in words is "six hundred thirty-three million, one hundred forty-six thousand, eight hundred seventy-three".