44977121051 has 4 divisors (see below), whose sum is σ = 47622834072. Its totient is φ = 42331408032.

The previous prime is 44977121047. The next prime is 44977121053. The reversal of 44977121051 is 15012177944.

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

It is a cyclic number.

It is not a de Polignac number, because 44977121051 - 2² = 44977121047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44977121053) 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 3 ways as a sum of consecutive naturals, for example, 1322856485 + ... + 1322856518.

It is an arithmetic number, because the mean of its divisors is an integer number (11905708518).

Almost surely, 2^44977121051 is an apocalyptic number.

44977121051 is a deficient number, since it is larger than the sum of its proper divisors (2645713021).

44977121051 is a wasteful number, since it uses less digits than its factorization.

44977121051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645713020.

The product of its (nonzero) digits is 70560, while the sum is 41.

Adding to 44977121051 its reverse (15012177944), we get a palindrome (59989298995).

The spelling of 44977121051 in words is "forty-four billion, nine hundred seventy-seven million, one hundred twenty-one thousand, fifty-one".