630399973351 has 2 divisors, whose sum is σ = 630399973352. Its totient is φ = 630399973350.

The previous prime is 630399973289. The next prime is 630399973369. The reversal of 630399973351 is 153379993036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630399973351 - 2¹⁹ = 630399449063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630399973381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315199986675 + 315199986676.

It is an arithmetic number, because the mean of its divisors is an integer number (315199986676).

Almost surely, 2^630399973351 is an apocalyptic number.

630399973351 is a deficient number, since it is larger than the sum of its proper divisors (1).

630399973351 is an equidigital number, since it uses as much as digits as its factorization.

630399973351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12400290, while the sum is 58.

The spelling of 630399973351 in words is "six hundred thirty billion, three hundred ninety-nine million, nine hundred seventy-three thousand, three hundred fifty-one".