44493420691 has 2 divisors, whose sum is σ = 44493420692. Its totient is φ = 44493420690.

The previous prime is 44493420689. The next prime is 44493420707. The reversal of 44493420691 is 19602439444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44493420691 - 2¹ = 44493420689 is a prime.

Together with 44493420689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44493420661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22246710345 + 22246710346.

It is an arithmetic number, because the mean of its divisors is an integer number (22246710346).

Almost surely, 2^44493420691 is an apocalyptic number.

44493420691 is a deficient number, since it is larger than the sum of its proper divisors (1).

44493420691 is an equidigital number, since it uses as much as digits as its factorization.

44493420691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 44493420691 in words is "forty-four billion, four hundred ninety-three million, four hundred twenty thousand, six hundred ninety-one".