44976563897 has 4 divisors (see below), whose sum is σ = 44979090420. Its totient is φ = 44974037376.

The previous prime is 44976563867. The next prime is 44976563899. The reversal of 44976563897 is 79836567944.

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 38172953641 + 6803610256 = 195379^2 + 82484^2 .

It is a cyclic number.

It is not a de Polignac number, because 44976563897 - 2¹⁴ = 44976547513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44976563899) 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, 1236368 + ... + 1272225.

It is an arithmetic number, because the mean of its divisors is an integer number (11244772605).

Almost surely, 2^44976563897 is an apocalyptic number.

It is an amenable number.

44976563897 is a deficient number, since it is larger than the sum of its proper divisors (2526523).

44976563897 is a wasteful number, since it uses less digits than its factorization.

44976563897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526522.

The product of its digits is 274337280, while the sum is 68.

The spelling of 44976563897 in words is "forty-four billion, nine hundred seventy-six million, five hundred sixty-three thousand, eight hundred ninety-seven".