44353961899 has 16 divisors (see below), whose sum is σ = 50100559488. Its totient is φ = 38987989632.

The previous prime is 44353961863. The next prime is 44353961923. The reversal of 44353961899 is 99816935344.

It is a cyclic number.

It is not a de Polignac number, because 44353961899 - 2¹⁷ = 44353830827 is a prime.

It is a super-2 number, since 2×44353961899² (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 (44353961819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958372 + ... + 1003585.

It is an arithmetic number, because the mean of its divisors is an integer number (3131284968).

Almost surely, 2^44353961899 is an apocalyptic number.

44353961899 is a deficient number, since it is larger than the sum of its proper divisors (5746597589).

44353961899 is a wasteful number, since it uses less digits than its factorization.

44353961899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962054.

The product of its digits is 25194240, while the sum is 61.

The spelling of 44353961899 in words is "forty-four billion, three hundred fifty-three million, nine hundred sixty-one thousand, eight hundred ninety-nine".