630456693 has 8 divisors (see below), whose sum is σ = 843149856. Its totient is φ = 419034000.

The previous prime is 630456643. The next prime is 630456721. The reversal of 630456693 is 396654036.

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

It is not a de Polignac number, because 630456693 - 2¹⁰ = 630455669 is a prime.

It is a super-3 number, since 3×630456693³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630456643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316458 + ... + 318443.

It is an arithmetic number, because the mean of its divisors is an integer number (105393732).

Almost surely, 2^630456693 is an apocalyptic number.

It is an amenable number.

630456693 is a deficient number, since it is larger than the sum of its proper divisors (212693163).

630456693 is a wasteful number, since it uses less digits than its factorization.

630456693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635235.

The product of its (nonzero) digits is 349920, while the sum is 42.

The square root of 630456693 is about 25108.8966902172. The cubic root of 630456693 is about 857.4689839666.

The spelling of 630456693 in words is "six hundred thirty million, four hundred fifty-six thousand, six hundred ninety-three".