650136393 has 12 divisors (see below), whose sum is σ = 960925680. Its totient is φ = 423344376.

The previous prime is 650136349. The next prime is 650136401. The reversal of 650136393 is 393631056.

650136393 is a `hidden beast` number, since 6 + 5 + 0 + 13 + 639 + 3 = 666.

It is not a de Polignac number, because 650136393 - 2¹³ = 650128201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650136313) 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, 839583 + ... + 840356.

It is an arithmetic number, because the mean of its divisors is an integer number (80077140).

Almost surely, 2^650136393 is an apocalyptic number.

It is an amenable number.

650136393 is a deficient number, since it is larger than the sum of its proper divisors (310789287).

650136393 is a wasteful number, since it uses less digits than its factorization.

650136393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679988 (or 1679985 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 650136393 is about 25497.7723144592. The cubic root of 650136393 is about 866.2996903088.

The spelling of 650136393 in words is "six hundred fifty million, one hundred thirty-six thousand, three hundred ninety-three".