389346697545 has 32 divisors (see below), whose sum is σ = 675995531904. Its totient is φ = 190215168000.

The previous prime is 389346697543. The next prime is 389346697549. The reversal of 389346697545 is 545796643983.

It is not a de Polignac number, because 389346697545 - 2¹ = 389346697543 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 389346697545.

It is not an unprimeable number, because it can be changed into a prime (389346697543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7595256 + ... + 7646345.

It is an arithmetic number, because the mean of its divisors is an integer number (21124860372).

Almost surely, 2^389346697545 is an apocalyptic number.

It is an amenable number.

389346697545 is a deficient number, since it is larger than the sum of its proper divisors (286648834359).

389346697545 is a wasteful number, since it uses less digits than its factorization.

389346697545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241753.

The product of its digits is 587865600, while the sum is 69.

The spelling of 389346697545 in words is "three hundred eighty-nine billion, three hundred forty-six million, six hundred ninety-seven thousand, five hundred forty-five".