1948728801 has 8 divisors (see below), whose sum is σ = 2599402240. Its totient is φ = 1298603952.

The previous prime is 1948728763. The next prime is 1948728809. The reversal of 1948728801 is 1088278491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1948728801 - 2⁶ = 1948728737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948728809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128785 + ... + 143118.

It is an arithmetic number, because the mean of its divisors is an integer number (324925280).

Almost surely, 2^1948728801 is an apocalyptic number.

It is an amenable number.

1948728801 is a deficient number, since it is larger than the sum of its proper divisors (650673439).

1948728801 is a wasteful number, since it uses less digits than its factorization.

1948728801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274295.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 1948728801 is about 44144.4084907704. The cubic root of 1948728801 is about 1249.0614396733.

The spelling of 1948728801 in words is "one billion, nine hundred forty-eight million, seven hundred twenty-eight thousand, eight hundred one".