630540812351 has 2 divisors, whose sum is σ = 630540812352. Its totient is φ = 630540812350.

The previous prime is 630540812333. The next prime is 630540812399. The reversal of 630540812351 is 153218045036.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630540812351 - 2¹⁴ = 630540795967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630540817351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315270406175 + 315270406176.

It is an arithmetic number, because the mean of its divisors is an integer number (315270406176).

Almost surely, 2^630540812351 is an apocalyptic number.

630540812351 is a deficient number, since it is larger than the sum of its proper divisors (1).

630540812351 is an equidigital number, since it uses as much as digits as its factorization.

630540812351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 630540812351 its reverse (153218045036), we get a palindrome (783758857387).

The spelling of 630540812351 in words is "six hundred thirty billion, five hundred forty million, eight hundred twelve thousand, three hundred fifty-one".