1650041643 has 64 divisors (see below), whose sum is σ = 2514124800. Its totient is φ = 957432960.

The previous prime is 1650041611. The next prime is 1650041647. The reversal of 1650041643 is 3461400561.

It is not a de Polignac number, because 1650041643 - 2⁵ = 1650041611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1650041643.

It is not an unprimeable number, because it can be changed into a prime (1650041647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3758418 + ... + 3758856.

It is an arithmetic number, because the mean of its divisors is an integer number (39283200).

Almost surely, 2^1650041643 is an apocalyptic number.

1650041643 is a deficient number, since it is larger than the sum of its proper divisors (864083157).

1650041643 is a wasteful number, since it uses less digits than its factorization.

1650041643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1650041643 is about 40620.7046098415. The cubic root of 1650041643 is about 1181.6756914156.

The spelling of 1650041643 in words is "one billion, six hundred fifty million, forty-one thousand, six hundred forty-three".