389146653473 has 4 divisors (see below), whose sum is σ = 389462777088. Its totient is φ = 388830529860.

The previous prime is 389146653407. The next prime is 389146653541. The reversal of 389146653473 is 374356641983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374356641983 = 19 ⋅19702981157.

It is a cyclic number.

It is not a de Polignac number, because 389146653473 - 2¹⁰ = 389146652449 is a prime.

It is a super-3 number, since 3×389146653473³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389146655473) 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, 158059961 + ... + 158062422.

It is an arithmetic number, because the mean of its divisors is an integer number (97365694272).

Almost surely, 2^389146653473 is an apocalyptic number.

It is an amenable number.

389146653473 is a deficient number, since it is larger than the sum of its proper divisors (316123615).

389146653473 is a wasteful number, since it uses less digits than its factorization.

389146653473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316123614.

The product of its digits is 39191040, while the sum is 59.

The spelling of 389146653473 in words is "three hundred eighty-nine billion, one hundred forty-six million, six hundred fifty-three thousand, four hundred seventy-three".