49966299647 has 8 divisors (see below), whose sum is σ = 55981898832. Its totient is φ = 44196235200.

The previous prime is 49966299611. The next prime is 49966299701. The reversal of 49966299647 is 74699266994.

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 49966299647 - 2¹⁰ = 49966298623 is a prime.

It is a super-2 number, since 2×49966299647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49966299347) 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, 61383254 + ... + 61384067.

It is an arithmetic number, because the mean of its divisors is an integer number (6997737354).

Almost surely, 2^49966299647 is an apocalyptic number.

49966299647 is a deficient number, since it is larger than the sum of its proper divisors (6015599185).

49966299647 is a wasteful number, since it uses less digits than its factorization.

49966299647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122767369.

The product of its digits is 317447424, while the sum is 71.

The spelling of 49966299647 in words is "forty-nine billion, nine hundred sixty-six million, two hundred ninety-nine thousand, six hundred forty-seven".