1650994842 has 16 divisors (see below), whose sum is σ = 3773702592. Its totient is φ = 471712800.

The previous prime is 1650994837. The next prime is 1650994859. The reversal of 1650994842 is 2484990561.

It is a junction number, because it is equal to n+sod(n) for n = 1650994791 and 1650994800.

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, 19654659 + ... + 19654742.

It is an arithmetic number, because the mean of its divisors is an integer number (235856412).

Almost surely, 2^1650994842 is an apocalyptic number.

1650994842 is an abundant number, since it is smaller than the sum of its proper divisors (2122707750).

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

1650994842 is a wasteful number, since it uses less digits than its factorization.

1650994842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39309413.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1650994842 is about 40632.4358364103. The cubic root of 1650994842 is about 1181.9031917874.

The spelling of 1650994842 in words is "one billion, six hundred fifty million, nine hundred ninety-four thousand, eight hundred forty-two".