1389004262890 has 16 divisors (see below), whose sum is σ = 2509714171008. Its totient is φ = 553489150096.

The previous prime is 1389004262879. The next prime is 1389004262963. The reversal of 1389004262890 is 982624009831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264066622 + ... + 264071881.

It is an arithmetic number, because the mean of its divisors is an integer number (156857135688).

Almost surely, 2^{1389004262890} is an apocalyptic number.

1389004262890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1389004262890 is a deficient number, since it is larger than the sum of its proper divisors (1120709908118).

1389004262890 is a wasteful number, since it uses less digits than its factorization.

1389004262890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528138773.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 1389004262890 in words is "one trillion, three hundred eighty-nine billion, four million, two hundred sixty-two thousand, eight hundred ninety".