49221106918045 has 4 divisors (see below), whose sum is σ = 59065328301660. Its totient is φ = 39376885534432.

The previous prime is 49221106918031. The next prime is 49221106918073. The reversal of 49221106918045 is 54081960112294.

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 24664542928281 + 24556563989764 = 4966341^2 + 4955458^2 .

It is a cyclic number.

It is not a de Polignac number, because 49221106918045 - 2²⁹ = 49220570047133 is a prime.

It is a super-3 number, since 3×49221106918045³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49221106917983 and 49221106918001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4922110691800 + ... + 4922110691809.

It is an arithmetic number, because the mean of its divisors is an integer number (14766332075415).

Almost surely, 2^{49221106918045} is an apocalyptic number.

It is an amenable number.

49221106918045 is a deficient number, since it is larger than the sum of its proper divisors (9844221383615).

49221106918045 is an equidigital number, since it uses as much as digits as its factorization.

49221106918045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844221383614.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 49221106918045 in words is "forty-nine trillion, two hundred twenty-one billion, one hundred six million, nine hundred eighteen thousand, forty-five".