630920283 has 16 divisors (see below), whose sum is σ = 963699456. Its totient is φ = 359664480.

The previous prime is 630920243. The next prime is 630920309. The reversal of 630920283 is 382029036.

630920283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630920283 - 2⁶ = 630920219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630920203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26841 + ... + 44522.

It is an arithmetic number, because the mean of its divisors is an integer number (60231216).

Almost surely, 2^630920283 is an apocalyptic number.

630920283 is a deficient number, since it is larger than the sum of its proper divisors (332779173).

630920283 is a wasteful number, since it uses less digits than its factorization.

630920283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71794.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 630920283 is about 25118.1265822115. The cubic root of 630920283 is about 857.6791050088.

The spelling of 630920283 in words is "six hundred thirty million, nine hundred twenty thousand, two hundred eighty-three".