385436134534 has 32 divisors (see below), whose sum is σ = 636647726880. Its totient is φ = 173550643200.

The previous prime is 385436134519. The next prime is 385436134537. The reversal of 385436134534 is 435431634583.

It is a super-2 number, since 2×385436134534² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385436134537) 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, 11909094 + ... + 11941414.

It is an arithmetic number, because the mean of its divisors is an integer number (19895241465).

Almost surely, 2^385436134534 is an apocalyptic number.

385436134534 is a deficient number, since it is larger than the sum of its proper divisors (251211592346).

385436134534 is a wasteful number, since it uses less digits than its factorization.

385436134534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416.

The product of its digits is 6220800, while the sum is 49.

The spelling of 385436134534 in words is "three hundred eighty-five billion, four hundred thirty-six million, one hundred thirty-four thousand, five hundred thirty-four".