650163249 has 12 divisors (see below), whose sum is σ = 994367556. Its totient is φ = 407945472.

The previous prime is 650163247. The next prime is 650163251. The reversal of 650163249 is 942361056.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (650163247) and next prime (650163251).

It can be written as a sum of positive squares in 2 ways, for example, as 544895649 + 105267600 = 23343^2 + 10260^2 .

It is not a de Polignac number, because 650163249 - 2¹ = 650163247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650163247) 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, 2124564 + ... + 2124869.

It is an arithmetic number, because the mean of its divisors is an integer number (82863963).

Almost surely, 2^650163249 is an apocalyptic number.

It is an amenable number.

650163249 is a deficient number, since it is larger than the sum of its proper divisors (344204307).

650163249 is a wasteful number, since it uses less digits than its factorization.

650163249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249456 (or 4249453 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 650163249 is about 25498.2989432629. The cubic root of 650163249 is about 866.3116185874.

It can be divided in two parts, 65016 and 3249, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 650163249 in words is "six hundred fifty million, one hundred sixty-three thousand, two hundred forty-nine".