49688353682545 has 8 divisors (see below), whose sum is σ = 59626204401960. Its totient is φ = 39750562957440.

The previous prime is 49688353682543. The next prime is 49688353682587. The reversal of 49688353682545 is 54528635388694.

It can be written as a sum of positive squares in 4 ways, for example, as 334862440929 + 49353491241616 = 578673^2 + 7025204^2 .

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

It is not a de Polignac number, because 49688353682545 - 2¹ = 49688353682543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49688353682543) 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, 13155916 + ... + 16506205.

It is an arithmetic number, because the mean of its divisors is an integer number (7453275550245).

Almost surely, 2^{49688353682545} is an apocalyptic number.

It is an amenable number.

49688353682545 is a deficient number, since it is larger than the sum of its proper divisors (9937850719415).

49688353682545 is a wasteful number, since it uses less digits than its factorization.

49688353682545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29997155.

The product of its digits is 5971968000, while the sum is 76.

The spelling of 49688353682545 in words is "forty-nine trillion, six hundred eighty-eight billion, three hundred fifty-three million, six hundred eighty-two thousand, five hundred forty-five".