49151066633638 has 8 divisors (see below), whose sum is σ = 73726639277760. Its totient is φ = 24575520207720.

The previous prime is 49151066633629. The next prime is 49151066633639. The reversal of 49151066633638 is 83633666015194.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49151066633639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888073 + ... + 9954436.

It is an arithmetic number, because the mean of its divisors is an integer number (9215829909720).

Almost surely, 2^{49151066633638} is an apocalyptic number.

49151066633638 is a deficient number, since it is larger than the sum of its proper divisors (24575572644122).

49151066633638 is a wasteful number, since it uses less digits than its factorization.

49151066633638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109102.

The product of its (nonzero) digits is 50388480, while the sum is 61.

The spelling of 49151066633638 in words is "forty-nine trillion, one hundred fifty-one billion, sixty-six million, six hundred thirty-three thousand, six hundred thirty-eight".