49966479361 has 4 divisors (see below), whose sum is σ = 50117435824. Its totient is φ = 49815522900.

The previous prime is 49966479341. The next prime is 49966479371. The reversal of 49966479361 is 16397466994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49966479361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49966479293 and 49966479302.

It is not an unprimeable number, because it can be changed into a prime (49966479301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75477735 + ... + 75478396.

It is an arithmetic number, because the mean of its divisors is an integer number (12529358956).

Almost surely, 2^49966479361 is an apocalyptic number.

It is an amenable number.

49966479361 is a deficient number, since it is larger than the sum of its proper divisors (150956463).

49966479361 is a wasteful number, since it uses less digits than its factorization.

49966479361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150956462.

The product of its digits is 52907904, while the sum is 64.

The spelling of 49966479361 in words is "forty-nine billion, nine hundred sixty-six million, four hundred seventy-nine thousand, three hundred sixty-one".