9944520574 has 8 divisors (see below), whose sum is σ = 14917204368. Its totient is φ = 4972119120.

The previous prime is 9944520571. The next prime is 9944520581. The reversal of 9944520574 is 4750254499.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944520571) 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, 98034 + ... + 171754.

It is an arithmetic number, because the mean of its divisors is an integer number (1864650546).

Almost surely, 2^9944520574 is an apocalyptic number.

9944520574 is a deficient number, since it is larger than the sum of its proper divisors (4972683794).

9944520574 is a wasteful number, since it uses less digits than its factorization.

9944520574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141170.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 9944520574 is about 99722.2170531723. The cubic root of 9944520574 is about 2150.4430724855.

The spelling of 9944520574 in words is "nine billion, nine hundred forty-four million, five hundred twenty thousand, five hundred seventy-four".