389748620399 has 4 divisors (see below), whose sum is σ = 390324320664. Its totient is φ = 389172920136.

The previous prime is 389748620383. The next prime is 389748620431. The reversal of 389748620399 is 993026847983.

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 389748620399 - 2⁴ = 389748620383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389748622399) 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, 287849117 + ... + 287850470.

It is an arithmetic number, because the mean of its divisors is an integer number (97581080166).

Almost surely, 2^389748620399 is an apocalyptic number.

389748620399 is a deficient number, since it is larger than the sum of its proper divisors (575700265).

389748620399 is an equidigital number, since it uses as much as digits as its factorization.

389748620399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575700264.

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 389748620399 in words is "three hundred eighty-nine billion, seven hundred forty-eight million, six hundred twenty thousand, three hundred ninety-nine".