1948287650 has 24 divisors (see below), whose sum is σ = 3626148864. Its totient is φ = 778813200.

The previous prime is 1948287647. The next prime is 1948287661. The reversal of 1948287650 is 567828491.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71435 + ... + 94865.

It is an arithmetic number, because the mean of its divisors is an integer number (151089536).

Almost surely, 2^1948287650 is an apocalyptic number.

1948287650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948287650 is a deficient number, since it is larger than the sum of its proper divisors (1677861214).

1948287650 is a wasteful number, since it uses less digits than its factorization.

1948287650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106 (or 25101 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1948287650 is about 44139.4115275680. The cubic root of 1948287650 is about 1248.9671788594.

The spelling of 1948287650 in words is "one billion, nine hundred forty-eight million, two hundred eighty-seven thousand, six hundred fifty".