630696849 has 8 divisors (see below), whose sum is σ = 885188640. Its totient is φ = 398334816.

The previous prime is 630696799. The next prime is 630696877. The reversal of 630696849 is 948696036.

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

It is not a de Polignac number, because 630696849 - 2⁷ = 630696721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630696049) 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, 5532372 + ... + 5532485.

It is an arithmetic number, because the mean of its divisors is an integer number (110648580).

Almost surely, 2^630696849 is an apocalyptic number.

It is an amenable number.

630696849 is a deficient number, since it is larger than the sum of its proper divisors (254491791).

630696849 is a wasteful number, since it uses less digits than its factorization.

630696849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064879.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 630696849 is about 25113.6785238642. The cubic root of 630696849 is about 857.5778469446.

The spelling of 630696849 in words is "six hundred thirty million, six hundred ninety-six thousand, eight hundred forty-nine".