385568546551 has 4 divisors (see below), whose sum is σ = 385569965592. Its totient is φ = 385567127512.

The previous prime is 385568546491. The next prime is 385568546593. The reversal of 385568546551 is 155645865583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385568546551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385568546551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385568546651) 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, 160180 + ... + 892633.

It is an arithmetic number, because the mean of its divisors is an integer number (96392491398).

Almost surely, 2^385568546551 is an apocalyptic number.

385568546551 is a deficient number, since it is larger than the sum of its proper divisors (1419041).

385568546551 is a wasteful number, since it uses less digits than its factorization.

385568546551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419040.

The product of its digits is 86400000, while the sum is 61.

The spelling of 385568546551 in words is "three hundred eighty-five billion, five hundred sixty-eight million, five hundred forty-six thousand, five hundred fifty-one".