44697493849 has 4 divisors (see below), whose sum is σ = 44704620964. Its totient is φ = 44690366736.

The previous prime is 44697493817. The next prime is 44697493879. The reversal of 44697493849 is 94839479644.

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 30566228224 + 14131265625 = 174832^2 + 118875^2 .

It is a cyclic number.

It is not a de Polignac number, because 44697493849 - 2⁵ = 44697493817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44697493879) 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, 3554142 + ... + 3566695.

It is an arithmetic number, because the mean of its divisors is an integer number (11176155241).

Almost surely, 2^44697493849 is an apocalyptic number.

It is an amenable number.

44697493849 is a deficient number, since it is larger than the sum of its proper divisors (7127115).

44697493849 is an equidigital number, since it uses as much as digits as its factorization.

44697493849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127114.

The product of its digits is 188116992, while the sum is 67.

The spelling of 44697493849 in words is "forty-four billion, six hundred ninety-seven million, four hundred ninety-three thousand, eight hundred forty-nine".