385313534437 has 16 divisors (see below), whose sum is σ = 415845532480. Its totient is φ = 354909859200.

The previous prime is 385313534413. The next prime is 385313534449. The reversal of 385313534437 is 734435313583.

It is a de Polignac number, because none of the positive numbers 2^k-385313534437 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 (385313534497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11886862 + ... + 11919232.

It is an arithmetic number, because the mean of its divisors is an integer number (25990345780).

Almost surely, 2^385313534437 is an apocalyptic number.

It is an amenable number.

385313534437 is a deficient number, since it is larger than the sum of its proper divisors (30531998043).

385313534437 is a wasteful number, since it uses less digits than its factorization.

385313534437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34324.

The product of its digits is 5443200, while the sum is 49.

The spelling of 385313534437 in words is "three hundred eighty-five billion, three hundred thirteen million, five hundred thirty-four thousand, four hundred thirty-seven".