605478540031 has 4 divisors (see below), whose sum is σ = 614006406864. Its totient is φ = 596950673200.

The previous prime is 605478539987. The next prime is 605478540061. The reversal of 605478540031 is 130045874506.

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

It is a cyclic number.

It is not a de Polignac number, because 605478540031 - 2²⁹ = 604941669119 is a prime.

It is a super-2 number, since 2×605478540031² (a number of 24 digits) contains 22 as substring.

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 605478540031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605478540061) 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, 4263933310 + ... + 4263933451.

It is an arithmetic number, because the mean of its divisors is an integer number (153501601716).

Almost surely, 2^605478540031 is an apocalyptic number.

605478540031 is a deficient number, since it is larger than the sum of its proper divisors (8527866833).

605478540031 is an equidigital number, since it uses as much as digits as its factorization.

605478540031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527866832.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 605478540031 in words is "six hundred five billion, four hundred seventy-eight million, five hundred forty thousand, thirty-one".