1389380825322 has 64 divisors (see below), whose sum is σ = 3543730594560. Its totient is φ = 395262208512.

The previous prime is 1389380825317. The next prime is 1389380825347. The reversal of 1389380825322 is 2235280839831.

It is a happy number.

1389380825322 is a `hidden beast` number, since 1 + 3 + 8 + 9 + 380 + 8 + 253 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 7799503 + ... + 7975650.

It is an arithmetic number, because the mean of its divisors is an integer number (55370790540).

Almost surely, 2^{1389380825322} is an apocalyptic number.

1389380825322 is an abundant number, since it is smaller than the sum of its proper divisors (2154349769238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389380825322 is a wasteful number, since it uses less digits than its factorization.

1389380825322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15775404 (or 15775398 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 1389380825322 in words is "one trillion, three hundred eighty-nine billion, three hundred eighty million, eight hundred twenty-five thousand, three hundred twenty-two".