5729881762561 has 8 divisors (see below), whose sum is σ = 6403238156448. Its totient is φ = 5081935044000.

The previous prime is 5729881762519. The next prime is 5729881762597. The reversal of 5729881762561 is 1652671889275.

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 5729881762561 - 2¹⁹ = 5729881238273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5729881762261) 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, 6352418355 + ... + 6352419256.

It is an arithmetic number, because the mean of its divisors is an integer number (800404769556).

Almost surely, 2^{5729881762561} is an apocalyptic number.

It is an amenable number.

5729881762561 is a deficient number, since it is larger than the sum of its proper divisors (673356393887).

5729881762561 is a wasteful number, since it uses less digits than its factorization.

5729881762561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704837663.

The product of its digits is 101606400, while the sum is 67.

The spelling of 5729881762561 in words is "five trillion, seven hundred twenty-nine billion, eight hundred eighty-one million, seven hundred sixty-two thousand, five hundred sixty-one".