44347563491 has 32 divisors (see below), whose sum is σ = 58625579520. Its totient is φ = 32498668800.

The previous prime is 44347563467. The next prime is 44347563499. The reversal of 44347563491 is 19436574344.

44347563491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44347563491 - 2¹⁴ = 44347547107 is a prime.

It is a super-2 number, since 2×44347563491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44347563499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89801 + ... + 311061.

It is an arithmetic number, because the mean of its divisors is an integer number (1832049360).

Almost surely, 2^44347563491 is an apocalyptic number.

44347563491 is a deficient number, since it is larger than the sum of its proper divisors (14278016029).

44347563491 is a wasteful number, since it uses less digits than its factorization.

44347563491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221435.

The product of its digits is 4354560, while the sum is 50.

The spelling of 44347563491 in words is "forty-four billion, three hundred forty-seven million, five hundred sixty-three thousand, four hundred ninety-one".