5206610642 has 32 divisors (see below), whose sum is σ = 8481369600. Its totient is φ = 2391177600.

The previous prime is 5206610557. The next prime is 5206610657. The reversal of 5206610642 is 2460166025.

It is a junction number, because it is equal to n+sod(n) for n = 5206610599 and 5206610608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81542 + ... + 130622.

It is an arithmetic number, because the mean of its divisors is an integer number (265042800).

Almost surely, 2^5206610642 is an apocalyptic number.

5206610642 is a deficient number, since it is larger than the sum of its proper divisors (3274758958).

5206610642 is a wasteful number, since it uses less digits than its factorization.

5206610642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49202.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 5206610642 is about 72156.8475059713. The cubic root of 5206610642 is about 1733.2120532089.

Adding to 5206610642 its reverse (2460166025), we get a palindrome (7666776667).

The spelling of 5206610642 in words is "five billion, two hundred six million, six hundred ten thousand, six hundred forty-two".