1653950028 has 12 divisors (see below), whose sum is σ = 3859216760. Its totient is φ = 551316672.

The previous prime is 1653949993. The next prime is 1653950029. The reversal of 1653950028 is 8200593561.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1653950029) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 68914573 + ... + 68914596.

Almost surely, 2^1653950028 is an apocalyptic number.

It is an amenable number.

1653950028 is an abundant number, since it is smaller than the sum of its proper divisors (2205266732).

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

1653950028 is a wasteful number, since it uses less digits than its factorization.

1653950028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137829176 (or 137829174 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1653950028 is about 40668.7844421247. The cubic root of 1653950028 is about 1182.6079510856.

The spelling of 1653950028 in words is "one billion, six hundred fifty-three million, nine hundred fifty thousand, twenty-eight".