44970657643 has 4 divisors (see below), whose sum is σ = 45043308760. Its totient is φ = 44898006528.

The previous prime is 44970657593. The next prime is 44970657659. The reversal of 44970657643 is 34675607944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44970657643 - 2¹⁷ = 44970526571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44970657673) 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, 36324630 + ... + 36325867.

It is an arithmetic number, because the mean of its divisors is an integer number (11260827190).

Almost surely, 2^44970657643 is an apocalyptic number.

44970657643 is a deficient number, since it is larger than the sum of its proper divisors (72651117).

44970657643 is an equidigital number, since it uses as much as digits as its factorization.

44970657643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72651116.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 44970657643 in words is "forty-four billion, nine hundred seventy million, six hundred fifty-seven thousand, six hundred forty-three".