9401899273 has 8 divisors (see below), whose sum is σ = 10125903816. Its totient is φ = 8678006400.

The previous prime is 9401899271. The next prime is 9401899277. The reversal of 9401899273 is 3729981049.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2969378064 + 6432521209 = 54492^2 + 80203^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9401899273 - 2¹ = 9401899271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9401899273.

It is not an unprimeable number, because it can be changed into a prime (9401899271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248043 + ... + 283423.

It is an arithmetic number, because the mean of its divisors is an integer number (1265737977).

Almost surely, 2^9401899273 is an apocalyptic number.

It is an amenable number.

9401899273 is a deficient number, since it is larger than the sum of its proper divisors (724004543).

9401899273 is a wasteful number, since it uses less digits than its factorization.

9401899273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55835.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 9401899273 is about 96963.3914062416. The cubic root of 9401899273 is about 2110.5964242394.

The spelling of 9401899273 in words is "nine billion, four hundred one million, eight hundred ninety-nine thousand, two hundred seventy-three".