385408670273 has 4 divisors (see below), whose sum is σ = 420445822128. Its totient is φ = 350371518420.

The previous prime is 385408670243. The next prime is 385408670287. The reversal of 385408670273 is 372076804583.

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.

It is not a de Polignac number, because 385408670273 - 2¹² = 385408666177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385408670243) 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, 17518575911 + ... + 17518575932.

It is an arithmetic number, because the mean of its divisors is an integer number (105111455532).

Almost surely, 2^385408670273 is an apocalyptic number.

It is an amenable number.

385408670273 is a deficient number, since it is larger than the sum of its proper divisors (35037151855).

385408670273 is a wasteful number, since it uses less digits than its factorization.

385408670273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35037151854.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 385408670273 in words is "three hundred eighty-five billion, four hundred eight million, six hundred seventy thousand, two hundred seventy-three".