1389947037696 has 288 divisors, whose sum is σ = 4735921881600. Its totient is φ = 384316047360.

The previous prime is 1389947037641. The next prime is 1389947037733. The reversal of 1389947037696 is 6967307499831.

1389947037696 is a `hidden beast` number, since 1 + 3 + 8 + 99 + 470 + 3 + 7 + 69 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3825990 + ... + 4173498.

It is an arithmetic number, because the mean of its divisors is an integer number (16444173200).

Almost surely, 2^{1389947037696} is an apocalyptic number.

1389947037696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389947037696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367960940800).

1389947037696 is an abundant number, since it is smaller than the sum of its proper divisors (3345974843904).

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

1389947037696 is a wasteful number, since it uses less digits than its factorization.

1389947037696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347575 (or 347552 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 1389947037696 in words is "one trillion, three hundred eighty-nine billion, nine hundred forty-seven million, thirty-seven thousand, six hundred ninety-six".