5209472642 has 8 divisors (see below), whose sum is σ = 8524591632. Its totient is φ = 2367942100.

The previous prime is 5209472633. The next prime is 5209472657. The reversal of 5209472642 is 2462749025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5209472642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118397084 + ... + 118397127.

It is an arithmetic number, because the mean of its divisors is an integer number (1065573954).

Almost surely, 2^5209472642 is an apocalyptic number.

5209472642 is a deficient number, since it is larger than the sum of its proper divisors (3315118990).

5209472642 is a wasteful number, since it uses less digits than its factorization.

5209472642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236794224.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 5209472642 is about 72176.6765790723. The cubic root of 5209472642 is about 1733.5295690631.

The spelling of 5209472642 in words is "five billion, two hundred nine million, four hundred seventy-two thousand, six hundred forty-two".