1650423642 has 16 divisors (see below), whose sum is σ = 3772396992. Its totient is φ = 471549600.

The previous prime is 1650423637. The next prime is 1650423653. The reversal of 1650423642 is 2463240561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19647859 + ... + 19647942.

It is an arithmetic number, because the mean of its divisors is an integer number (235774812).

Almost surely, 2^1650423642 is an apocalyptic number.

1650423642 is an abundant number, since it is smaller than the sum of its proper divisors (2121973350).

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

1650423642 is a wasteful number, since it uses less digits than its factorization.

1650423642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39295813.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1650423642 is about 40625.4063610446. The cubic root of 1650423642 is about 1181.7668737815.

The spelling of 1650423642 in words is "one billion, six hundred fifty million, four hundred twenty-three thousand, six hundred forty-two".