630369081 has 16 divisors (see below), whose sum is σ = 935478720. Its totient is φ = 419526720.

The previous prime is 630369079. The next prime is 630369083. The reversal of 630369081 is 180963036.

It is a happy number.

630369081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630369079) and next prime (630369083).

It is not a de Polignac number, because 630369081 - 2¹ = 630369079 is a prime.

It is a super-2 number, since 2×630369081² = 794730356561569122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630369083) 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, 3675 + ... + 35696.

It is an arithmetic number, because the mean of its divisors is an integer number (58467420).

Almost surely, 2^630369081 is an apocalyptic number.

It is an amenable number.

630369081 is a deficient number, since it is larger than the sum of its proper divisors (305109639).

630369081 is a wasteful number, since it uses less digits than its factorization.

630369081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39973 (or 39967 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 630369081 is about 25107.1519890250. The cubic root of 630369081 is about 857.4292624686.

The spelling of 630369081 in words is "six hundred thirty million, three hundred sixty-nine thousand, eighty-one".