389999996906703 has 4 divisors (see below), whose sum is σ = 519999995875608. Its totient is φ = 259999997937800.

The previous prime is 389999996906657. The next prime is 389999996906713. The reversal of 389999996906703 is 307609699999983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389999996906703 - 2¹⁶ = 389999996841167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389999996906713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64999999484448 + ... + 64999999484453.

It is an arithmetic number, because the mean of its divisors is an integer number (129999998968902).

Almost surely, 2^{389999996906703} is an apocalyptic number.

389999996906703 is a deficient number, since it is larger than the sum of its proper divisors (129999998968905).

389999996906703 is a wasteful number, since it uses less digits than its factorization.

389999996906703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129999998968904.

The product of its (nonzero) digits is 86782189536, while the sum is 96.

The spelling of 389999996906703 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, seven hundred three".