239329845651 has 32 divisors (see below), whose sum is σ = 345226315840. Its totient is φ = 146606713344.

The previous prime is 239329845617. The next prime is 239329845653. The reversal of 239329845651 is 156548923932.

It is not a de Polignac number, because 239329845651 - 2¹³ = 239329837459 is a prime.

It is a super-2 number, since 2×239329845651² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239329845591 and 239329845600.

It is not an unprimeable number, because it can be changed into a prime (239329845653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11797545 + ... + 11817813.

It is an arithmetic number, because the mean of its divisors is an integer number (10788322370).

Almost surely, 2^239329845651 is an apocalyptic number.

239329845651 is a deficient number, since it is larger than the sum of its proper divisors (105896470189).

239329845651 is a wasteful number, since it uses less digits than its factorization.

239329845651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21655.

The product of its digits is 13996800, while the sum is 57.

The spelling of 239329845651 in words is "two hundred thirty-nine billion, three hundred twenty-nine million, eight hundred forty-five thousand, six hundred fifty-one".