534377422818 has 54 divisors (see below), whose sum is σ = 1185665828139. Its totient is φ = 173939927112.

The previous prime is 534377422781. The next prime is 534377422819. The reversal of 534377422818 is 818224773435.

It is a happy number.

534377422818 is a `hidden beast` number, since 5 + 34 + 377 + 4 + 228 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 267188711409 + 267188711409 = 516903^2 + 516903^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=516903.

It is a super-2 number, since 2×534377422818² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (534377422819) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 133358971 + ... + 133362977.

Almost surely, 2^534377422818 is an apocalyptic number.

534377422818 is an abundant number, since it is smaller than the sum of its proper divisors (651288405321).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

534377422818 is an frugal number, since it uses more digits than its factorization.

534377422818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 4055 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 534377422818 in words is "five hundred thirty-four billion, three hundred seventy-seven million, four hundred twenty-two thousand, eight hundred eighteen".