1048657983890 has 64 divisors (see below), whose sum is σ = 2103460012800. Its totient is φ = 373193568000.

The previous prime is 1048657983887. The next prime is 1048657983907. The reversal of 1048657983890 is 983897568401.

It is a happy number.

1048657983890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1048657983890.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942620 + ... + 1727960.

It is an arithmetic number, because the mean of its divisors is an integer number (32866562700).

Almost surely, 2^{1048657983890} is an apocalyptic number.

1048657983890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1048657983890 is an abundant number, since it is smaller than the sum of its proper divisors (1054802028910).

1048657983890 is a wasteful number, since it uses less digits than its factorization.

1048657983890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785619.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 1048657983890 in words is "one trillion, forty-eight billion, six hundred fifty-seven million, nine hundred eighty-three thousand, eight hundred ninety".