49229209981 has 8 divisors (see below), whose sum is σ = 56263307840. Its totient is φ = 42195450528.

The previous prime is 49229209937. The next prime is 49229210033. The reversal of 49229209981 is 18990292294.

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

It is not a de Polignac number, because 49229209981 - 2¹¹ = 49229207933 is a prime.

It is a super-2 number, since 2×49229209981² (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 (49229209181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466345 + ... + 562081.

It is an arithmetic number, because the mean of its divisors is an integer number (7032913480).

Almost surely, 2^49229209981 is an apocalyptic number.

It is an amenable number.

49229209981 is a deficient number, since it is larger than the sum of its proper divisors (7034097859).

49229209981 is an equidigital number, since it uses as much as digits as its factorization.

49229209981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169203.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 49229209981 in words is "forty-nine billion, two hundred twenty-nine million, two hundred nine thousand, nine hundred eighty-one".