630457274953 has 8 divisors (see below), whose sum is σ = 687777790176. Its totient is φ = 573137796000.

The previous prime is 630457274947. The next prime is 630457275047. The reversal of 630457274953 is 359472754036.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630457274953 - 2⁹ = 630457274441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630457274894 and 630457274903.

It is not an unprimeable number, because it can be changed into a prime (630457274453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581778 + ... + 1939828.

It is an arithmetic number, because the mean of its divisors is an integer number (85972223772).

Almost surely, 2^630457274953 is an apocalyptic number.

It is an amenable number.

630457274953 is a deficient number, since it is larger than the sum of its proper divisors (57320515223).

630457274953 is a wasteful number, since it uses less digits than its factorization.

630457274953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518135.

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 630457274953 in words is "six hundred thirty billion, four hundred fifty-seven million, two hundred seventy-four thousand, nine hundred fifty-three".