49065766813439 has 8 divisors (see below), whose sum is σ = 49162363359840. Its totient is φ = 48969229881600.

The previous prime is 49065766813351. The next prime is 49065766813447. The reversal of 49065766813439 is 93431866756094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49065766813439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49065766813489) 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, 13255742 + ... + 16548299.

It is an arithmetic number, because the mean of its divisors is an integer number (6145295419980).

Almost surely, 2^{49065766813439} is an apocalyptic number.

49065766813439 is a deficient number, since it is larger than the sum of its proper divisors (96596546401).

49065766813439 is a wasteful number, since it uses less digits than its factorization.

49065766813439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29807281.

The product of its (nonzero) digits is 705438720, while the sum is 71.

The spelling of 49065766813439 in words is "forty-nine trillion, sixty-five billion, seven hundred sixty-six million, eight hundred thirteen thousand, four hundred thirty-nine".