49906983091477 has 4 divisors (see below), whose sum is σ = 50195462762700. Its totient is φ = 49618503420256.

The previous prime is 49906983091453. The next prime is 49906983091519. The reversal of 49906983091477 is 77419038960994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31779365507761 + 18127617583716 = 5637319^2 + 4257654^2 .

It is a cyclic number.

It is not a de Polignac number, because 49906983091477 - 2³¹ = 49904835607829 is a prime.

It is a super-2 number, since 2×49906983091477² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49906983091177) 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, 144239835352 + ... + 144239835697.

It is an arithmetic number, because the mean of its divisors is an integer number (12548865690675).

Almost surely, 2^{49906983091477} is an apocalyptic number.

It is an amenable number.

49906983091477 is a deficient number, since it is larger than the sum of its proper divisors (288479671223).

49906983091477 is a wasteful number, since it uses less digits than its factorization.

49906983091477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288479671222.

The product of its (nonzero) digits is 740710656, while the sum is 76.

The spelling of 49906983091477 in words is "forty-nine trillion, nine hundred six billion, nine hundred eighty-three million, ninety-one thousand, four hundred seventy-seven".