9994751290 has 8 divisors (see below), whose sum is σ = 17990552340. Its totient is φ = 3997900512.

The previous prime is 9994751267. The next prime is 9994751303. The reversal of 9994751290 is 921574999.

It can be written as a sum of positive squares in 2 ways, for example, as 9607724361 + 387026929 = 98019^2 + 19673^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499737555 + ... + 499737574.

Almost surely, 2^9994751290 is an apocalyptic number.

9994751290 is a deficient number, since it is larger than the sum of its proper divisors (7995801050).

9994751290 is a wasteful number, since it uses less digits than its factorization.

9994751290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999475136.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The square root of 9994751290 is about 99973.7530054764. The cubic root of 9994751290 is about 2154.0576906354.

The spelling of 9994751290 in words is "nine billion, nine hundred ninety-four million, seven hundred fifty-one thousand, two hundred ninety".