1653493808 has 10 divisors (see below), whose sum is σ = 3203644284. Its totient is φ = 826746896.

The previous prime is 1653493769. The next prime is 1653493811. The reversal of 1653493808 is 8083943561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51671666 + ... + 51671697.

Almost surely, 2^1653493808 is an apocalyptic number.

It is an amenable number.

1653493808 is a deficient number, since it is larger than the sum of its proper divisors (1550150476).

1653493808 is a wasteful number, since it uses less digits than its factorization.

1653493808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103343371 (or 103343365 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1653493808 is about 40663.1750850816. The cubic root of 1653493808 is about 1182.4992055562.

The spelling of 1653493808 in words is "one billion, six hundred fifty-three million, four hundred ninety-three thousand, eight hundred eight".