630603769 has 2 divisors, whose sum is σ = 630603770. Its totient is φ = 630603768.

The previous prime is 630603713. The next prime is 630603773. The reversal of 630603769 is 967306036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471541225 + 159062544 = 21715^2 + 12612^2 .

It is a cyclic number.

It is not a de Polignac number, because 630603769 - 2¹⁷ = 630472697 is a prime.

It is a super-2 number, since 2×630603769² = 795322226954010722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630603709) 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, 315301884 + 315301885.

It is an arithmetic number, because the mean of its divisors is an integer number (315301885).

Almost surely, 2^630603769 is an apocalyptic number.

It is an amenable number.

630603769 is a deficient number, since it is larger than the sum of its proper divisors (1).

630603769 is an equidigital number, since it uses as much as digits as its factorization.

630603769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 630603769 is about 25111.8252821256. The cubic root of 630603769 is about 857.5356569589.

The spelling of 630603769 in words is "six hundred thirty million, six hundred three thousand, seven hundred sixty-nine".