581417077249 has 16 divisors (see below), whose sum is σ = 601345638144. Its totient is φ = 561836766400.

The previous prime is 581417077223. The next prime is 581417077253. The reversal of 581417077249 is 942770714185.

It is a cyclic number.

It is not a de Polignac number, because 581417077249 - 2⁷ = 581417077121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 581417077249.

It is not an unprimeable number, because it can be changed into a prime (581417087249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3620439 + ... + 3777619.

It is an arithmetic number, because the mean of its divisors is an integer number (37584102384).

Almost surely, 2^581417077249 is an apocalyptic number.

It is an amenable number.

581417077249 is a deficient number, since it is larger than the sum of its proper divisors (19928560895).

581417077249 is a wasteful number, since it uses less digits than its factorization.

581417077249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158288.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 581417077249 in words is "five hundred eighty-one billion, four hundred seventeen million, seventy-seven thousand, two hundred forty-nine".