5179380642 has 18 divisors (see below), whose sum is σ = 11222652987. Its totient is φ = 1726358436.

The previous prime is 5179380641. The next prime is 5179380671. The reversal of 5179380642 is 2460839715.

5179380642 is a `hidden beast` number, since 517 + 93 + 8 + 0 + 6 + 42 = 666.

5179380642 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2589690321 + 2589690321 = 50889^2 + 50889^2 .

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=50889.

5179380642 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (5179380641) 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, 296853 + ... + 313815.

It is a 1-persistent number, because it is pandigital, but 2⋅5179380642 = 10358761284 is not.

Almost surely, 2^5179380642 is an apocalyptic number.

5179380642 is an abundant number, since it is smaller than the sum of its proper divisors (6043272345).

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

5179380642 is an frugal number, since it uses more digits than its factorization.

5179380642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934 (or 16968 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5179380642 is about 71967.9139756044. The cubic root of 5179380642 is about 1730.1852677839.

The spelling of 5179380642 in words is "five billion, one hundred seventy-nine million, three hundred eighty thousand, six hundred forty-two".