630505499 has 8 divisors (see below), whose sum is σ = 680045520. Its totient is φ = 581114016.

The previous prime is 630505487. The next prime is 630505507. The reversal of 630505499 is 994505036.

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

It is a cyclic number.

It is not a de Polignac number, because 630505499 - 2⁸ = 630505243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630505429) 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, 28232 + ... + 45365.

It is an arithmetic number, because the mean of its divisors is an integer number (85005690).

Almost surely, 2^630505499 is an apocalyptic number.

630505499 is a deficient number, since it is larger than the sum of its proper divisors (49540021).

630505499 is a wasteful number, since it uses less digits than its factorization.

630505499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74269.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 630505499 is about 25109.8685579993. The cubic root of 630505499 is about 857.4911100179.

The spelling of 630505499 in words is "six hundred thirty million, five hundred five thousand, four hundred ninety-nine".