1650217434 has 16 divisors (see below), whose sum is σ = 3362707872. Its totient is φ = 539693648.

The previous prime is 1650217399. The next prime is 1650217453. The reversal of 1650217434 is 4347120561.

It is a super-3 number, since 3×1650217434³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1650217395 and 1650217404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594364 + ... + 2594999.

It is an arithmetic number, because the mean of its divisors is an integer number (210169242).

Almost surely, 2^1650217434 is an apocalyptic number.

1650217434 is an abundant number, since it is smaller than the sum of its proper divisors (1712490438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1650217434 is a wasteful number, since it uses less digits than its factorization.

1650217434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189421.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1650217434 is about 40622.8683625369. The cubic root of 1650217434 is about 1181.7176541090.

Adding to 1650217434 its reverse (4347120561), we get a palindrome (5997337995).

The spelling of 1650217434 in words is "one billion, six hundred fifty million, two hundred seventeen thousand, four hundred thirty-four".