44738975249 has 4 divisors (see below), whose sum is σ = 45173334336. Its totient is φ = 44304616164.

The previous prime is 44738975221. The next prime is 44738975257. The reversal of 44738975249 is 94257983744.

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 not a de Polignac number, because 44738975249 - 2⁸ = 44738974993 is a prime.

It is a super-2 number, since 2×44738975249² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44738975191 and 44738975200.

It is not an unprimeable number, because it can be changed into a prime (44738905249) 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, 217179389 + ... + 217179594.

It is an arithmetic number, because the mean of its divisors is an integer number (11293333584).

Almost surely, 2^44738975249 is an apocalyptic number.

It is an amenable number.

44738975249 is a deficient number, since it is larger than the sum of its proper divisors (434359087).

44738975249 is a wasteful number, since it uses less digits than its factorization.

44738975249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434359086.

The product of its digits is 60963840, while the sum is 62.

The spelling of 44738975249 in words is "forty-four billion, seven hundred thirty-eight million, nine hundred seventy-five thousand, two hundred forty-nine".