1389009044407 has 8 divisors (see below), whose sum is σ = 1417503090960. Its totient is φ = 1360599676800.

The previous prime is 1389009044389. The next prime is 1389009044411. The reversal of 1389009044407 is 7044409009831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1389009044407 - 2⁷ = 1389009044279 is a prime.

It is a super-2 number, since 2×1389009044407² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389009044107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21136594 + ... + 21202207.

It is an arithmetic number, because the mean of its divisors is an integer number (177187886370).

Almost surely, 2^{1389009044407} is an apocalyptic number.

1389009044407 is a deficient number, since it is larger than the sum of its proper divisors (28494046553).

1389009044407 is an equidigital number, since it uses as much as digits as its factorization.

1389009044407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42339473.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 1389009044407 in words is "one trillion, three hundred eighty-nine billion, nine million, forty-four thousand, four hundred seven".