44749461494749 has 16 divisors (see below), whose sum is σ = 51835646010240. Its totient is φ = 38179843778560.

The previous prime is 44749461494629. The next prime is 44749461494911. The reversal of 44749461494749 is 94749416494744.

It is a happy number.

It is not a de Polignac number, because 44749461494749 - 2²¹ = 44749459397597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44749461494249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338888569 + ... + 339020590.

It is an arithmetic number, because the mean of its divisors is an integer number (3239727875640).

Almost surely, 2^{44749461494749} is an apocalyptic number.

It is an amenable number.

44749461494749 is a deficient number, since it is larger than the sum of its proper divisors (7086184515491).

44749461494749 is a wasteful number, since it uses less digits than its factorization.

44749461494749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677909540.

The product of its digits is 3511517184, while the sum is 76.

It can be divided in two parts, 4474946 and 1494749, that added together give a palindrome (5969695).

The spelling of 44749461494749 in words is "forty-four trillion, seven hundred forty-nine billion, four hundred sixty-one million, four hundred ninety-four thousand, seven hundred forty-nine".