1950653385 has 24 divisors (see below), whose sum is σ = 3423937920. Its totient is φ = 1027177632.

The previous prime is 1950653377. The next prime is 1950653429. The reversal of 1950653385 is 5833560591.

1950653385 is a `hidden beast` number, since 19 + 506 + 53 + 3 + 85 = 666.

It is not a de Polignac number, because 1950653385 - 2³ = 1950653377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1950653385.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270799 + ... + 277908.

It is an arithmetic number, because the mean of its divisors is an integer number (142664080).

Almost surely, 2^1950653385 is an apocalyptic number.

1950653385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1950653385 is a deficient number, since it is larger than the sum of its proper divisors (1473284535).

1950653385 is a wasteful number, since it uses less digits than its factorization.

1950653385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548797 (or 548794 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 1950653385 is about 44166.2018403213. The cubic root of 1950653385 is about 1249.4724995593.

The spelling of 1950653385 in words is "one billion, nine hundred fifty million, six hundred fifty-three thousand, three hundred eighty-five".