5321579642 has 8 divisors (see below), whose sum is σ = 7983356436. Its totient is φ = 2660460832.

The previous prime is 5321579633. The next prime is 5321579647. The reversal of 5321579642 is 2469751235.

It can be written as a sum of positive squares in 2 ways, for example, as 3987796201 + 1333783441 = 63149^2 + 36521^2 .

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

It is a super-2 number, since 2×5321579642² = 56638419772297696328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5321579593 and 5321579602.

It is not an unprimeable number, because it can be changed into a prime (5321579647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143753 + ... + 176940.

Almost surely, 2^5321579642 is an apocalyptic number.

5321579642 is a deficient number, since it is larger than the sum of its proper divisors (2661776794).

5321579642 is a wasteful number, since it uses less digits than its factorization.

5321579642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328992.

The product of its digits is 453600, while the sum is 44.

The square root of 5321579642 is about 72949.1579252290. The cubic root of 5321579642 is about 1745.8765110767.

The spelling of 5321579642 in words is "five billion, three hundred twenty-one million, five hundred seventy-nine thousand, six hundred forty-two".