5163515442 has 18 divisors (see below), whose sum is σ = 11188277373. Its totient is φ = 1721070192.

The previous prime is 5163515429. The next prime is 5163515443. The reversal of 5163515442 is 2445153615.

5163515442 is a `hidden beast` number, since 5 + 1 + 63 + 51 + 544 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5039438121 + 124077321 = 70989^2 + 11139^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=50811.

It is a junction number, because it is equal to n+sod(n) for n = 5163515397 and 5163515406.

It is not an unprimeable number, because it can be changed into a prime (5163515443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 296398 + ... + 313334.

Almost surely, 2^5163515442 is an apocalyptic number.

5163515442 is an abundant number, since it is smaller than the sum of its proper divisors (6024761931).

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

5163515442 is an frugal number, since it uses more digits than its factorization.

5163515442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33882 (or 16942 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5163515442 is about 71857.6053177393. The cubic root of 5163515442 is about 1728.4168574584.

The spelling of 5163515442 in words is "five billion, one hundred sixty-three million, five hundred fifteen thousand, four hundred forty-two".