239519896561 has 8 divisors (see below), whose sum is σ = 261830977344. Its totient is φ = 217298239920.

The previous prime is 239519896559. The next prime is 239519896597. The reversal of 239519896561 is 165698915932.

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

It is a cyclic number.

It is not a de Polignac number, because 239519896561 - 2¹ = 239519896559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239519896493 and 239519896502.

It is not an unprimeable number, because it can be changed into a prime (239519896531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350430 + ... + 22361143.

It is an arithmetic number, because the mean of its divisors is an integer number (32728872168).

Almost surely, 2^239519896561 is an apocalyptic number.

It is an amenable number.

239519896561 is a deficient number, since it is larger than the sum of its proper divisors (22311080783).

239519896561 is a wasteful number, since it uses less digits than its factorization.

239519896561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44712071.

The product of its digits is 31492800, while the sum is 64.

The spelling of 239519896561 in words is "two hundred thirty-nine billion, five hundred nineteen million, eight hundred ninety-six thousand, five hundred sixty-one".