1650041972 has 12 divisors (see below), whose sum is σ = 2949011520. Its totient is φ = 807467256.

The previous prime is 1650041963. The next prime is 1650041989. The reversal of 1650041972 is 2791400561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388222 + ... + 4388597.

It is an arithmetic number, because the mean of its divisors is an integer number (245750960).

Almost surely, 2^1650041972 is an apocalyptic number.

It is an amenable number.

1650041972 is a deficient number, since it is larger than the sum of its proper divisors (1298969548).

1650041972 is a wasteful number, since it uses less digits than its factorization.

1650041972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776870 (or 8776868 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1650041972 is about 40620.7086595003. The cubic root of 1650041972 is about 1181.6757699532.

The spelling of 1650041972 in words is "one billion, six hundred fifty million, forty-one thousand, nine hundred seventy-two".