1650611042 has 4 divisors (see below), whose sum is σ = 2475916566. Its totient is φ = 825305520.

The previous prime is 1650611023. The next prime is 1650611051. The reversal of 1650611042 is 2401160561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401160561 = 443 ⋅5420227.

It can be written as a sum of positive squares in only one way, i.e., 1572836281 + 77774761 = 39659^2 + 8819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412652759 + ... + 412652762.

Almost surely, 2^1650611042 is an apocalyptic number.

1650611042 is a deficient number, since it is larger than the sum of its proper divisors (825305524).

1650611042 is an equidigital number, since it uses as much as digits as its factorization.

1650611042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825305523.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1650611042 is about 40627.7127340440. The cubic root of 1650611042 is about 1181.8116006271.

The spelling of 1650611042 in words is "one billion, six hundred fifty million, six hundred eleven thousand, forty-two".