1389208947560 has 32 divisors (see below), whose sum is σ = 3572251580160. Its totient is φ = 476300210496.

The previous prime is 1389208947559. The next prime is 1389208947587. The reversal of 1389208947560 is 657498029831.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1389208947493 and 1389208947502.

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, 2480729984 + ... + 2480730543.

It is an arithmetic number, because the mean of its divisors is an integer number (111632861880).

It is a 1-persistent number, because it is pandigital, but 2⋅1389208947560 = 2778417895120 is not.

Almost surely, 2^{1389208947560} is an apocalyptic number.

1389208947560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389208947560 is an abundant number, since it is smaller than the sum of its proper divisors (2183042632600).

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

1389208947560 is a wasteful number, since it uses less digits than its factorization.

1389208947560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961460545 (or 4961460541 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 1389208947560 in words is "one trillion, three hundred eighty-nine billion, two hundred eight million, nine hundred forty-seven thousand, five hundred sixty".