630514650 has 24 divisors (see below), whose sum is σ = 1563676704. Its totient is φ = 168137200.

The previous prime is 630514637. The next prime is 630514657. The reversal of 630514650 is 56415036.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (630514657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2101566 + ... + 2101865.

It is an arithmetic number, because the mean of its divisors is an integer number (65153196).

Almost surely, 2^630514650 is an apocalyptic number.

630514650 is an abundant number, since it is smaller than the sum of its proper divisors (933162054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630514650 is a wasteful number, since it uses less digits than its factorization.

630514650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203446 (or 4203441 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 630514650 is about 25110.0507765317. The cubic root of 630514650 is about 857.4952584687.

Adding to 630514650 its reverse (56415036), we get a palindrome (686929686).

The spelling of 630514650 in words is "six hundred thirty million, five hundred fourteen thousand, six hundred fifty".