478135843433 has 18 divisors (see below), whose sum is σ = 524411430894. Its totient is φ = 434417479552.

The previous prime is 478135843343. The next prime is 478135843453. The reversal of 478135843433 is 334348531874.

It can be written as a sum of positive squares in 3 ways, for example, as 136982892544 + 341152950889 = 370112^2 + 584083^2 .

It is not a de Polignac number, because 478135843433 - 2⁸ = 478135843177 is a prime.

It is a super-2 number, since 2×478135843433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478135843453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82676660 + ... + 82682442.

It is an arithmetic number, because the mean of its divisors is an integer number (29133968383).

Almost surely, 2^478135843433 is an apocalyptic number.

It is an amenable number.

478135843433 is a deficient number, since it is larger than the sum of its proper divisors (46275587461).

478135843433 is an frugal number, since it uses more digits than its factorization.

478135843433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641 (or 5829 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 478135843433 in words is "four hundred seventy-eight billion, one hundred thirty-five million, eight hundred forty-three thousand, four hundred thirty-three".