49907067818 has 8 divisors (see below), whose sum is σ = 75069128160. Its totient is φ = 24884025100.

The previous prime is 49907067811. The next prime is 49907067851. The reversal of 49907067818 is 81876070994.

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

It is a super-2 number, since 2×49907067818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49907067811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34753508 + ... + 34754943.

It is an arithmetic number, because the mean of its divisors is an integer number (9383641020).

Almost surely, 2^49907067818 is an apocalyptic number.

49907067818 is a deficient number, since it is larger than the sum of its proper divisors (25162060342).

49907067818 is a wasteful number, since it uses less digits than its factorization.

49907067818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69508812.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 49907067818 in words is "forty-nine billion, nine hundred seven million, sixty-seven thousand, eight hundred eighteen".