650990011903 has 36 divisors (see below), whose sum is σ = 868566086640. Its totient is φ = 485209845120.

The previous prime is 650990011883. The next prime is 650990011937. The reversal of 650990011903 is 309110099056.

It is not a de Polignac number, because 650990011903 - 2⁹ = 650990011391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650990011903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650990051903) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2250538 + ... + 2523271.

It is an arithmetic number, because the mean of its divisors is an integer number (24126835740).

Almost surely, 2^650990011903 is an apocalyptic number.

650990011903 is a deficient number, since it is larger than the sum of its proper divisors (217576074737).

650990011903 is a wasteful number, since it uses less digits than its factorization.

650990011903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773868 (or 4773850 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 43.

The spelling of 650990011903 in words is "six hundred fifty billion, nine hundred ninety million, eleven thousand, nine hundred three".