49591191316481 has 8 divisors (see below), whose sum is σ = 51629185482984. Its totient is φ = 47589917765760.

The previous prime is 49591191316463. The next prime is 49591191316547. The reversal of 49591191316481 is 18461319119594.

It can be written as a sum of positive squares in 4 ways, for example, as 8003331528256 + 41587859788225 = 2829016^2 + 6448865^2 .

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 49591191316481 - 2⁶ = 49591191316417 is a prime.

It is a super-2 number, since 2×49591191316481² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49591191316421) 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, 9180151190 + ... + 9180156591.

It is an arithmetic number, because the mean of its divisors is an integer number (6453648185373).

Almost surely, 2^{49591191316481} is an apocalyptic number.

It is an amenable number.

49591191316481 is a deficient number, since it is larger than the sum of its proper divisors (2037994166503).

49591191316481 is a wasteful number, since it uses less digits than its factorization.

49591191316481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360307891.

The product of its digits is 8398080, while the sum is 62.

The spelling of 49591191316481 in words is "forty-nine trillion, five hundred ninety-one billion, one hundred ninety-one million, three hundred sixteen thousand, four hundred eighty-one".