1488921650 has 24 divisors (see below), whose sum is σ = 2796291264. Its totient is φ = 589784400.

The previous prime is 1488921649. The next prime is 1488921653. The reversal of 1488921650 is 561298841.

It is not an unprimeable number, because it can be changed into a prime (1488921653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139406 + ... + 149705.

It is an arithmetic number, because the mean of its divisors is an integer number (116512136).

Almost surely, 2^1488921650 is an apocalyptic number.

1488921650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1488921650 is a deficient number, since it is larger than the sum of its proper divisors (1307369614).

1488921650 is a wasteful number, since it uses less digits than its factorization.

1488921650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289226 (or 289221 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1488921650 is about 38586.5475263077. The cubic root of 1488921650 is about 1141.8891550213.

The spelling of 1488921650 in words is "one billion, four hundred eighty-eight million, nine hundred twenty-one thousand, six hundred fifty".