650263490 has 8 divisors (see below), whose sum is σ = 1170474300. Its totient is φ = 260105392.

The previous prime is 650263489. The next prime is 650263499. The reversal of 650263490 is 94362056.

It can be written as a sum of positive squares in 2 ways, for example, as 614395369 + 35868121 = 24787^2 + 5989^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 650263490.

It is not an unprimeable number, because it can be changed into a prime (650263499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32513165 + ... + 32513184.

Almost surely, 2^650263490 is an apocalyptic number.

650263490 is a deficient number, since it is larger than the sum of its proper divisors (520210810).

650263490 is a wasteful number, since it uses less digits than its factorization.

650263490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65026356.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 650263490 is about 25500.2645084321. The cubic root of 650263490 is about 866.3561384217.

The spelling of 650263490 in words is "six hundred fifty million, two hundred sixty-three thousand, four hundred ninety".