900138894097 has 8 divisors (see below), whose sum is σ = 901770167592. Its totient is φ = 898508880000.

The previous prime is 900138894091. The next prime is 900138894139. The reversal of 900138894097 is 790498831009.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7219730961 + 892919163136 = 84969^2 + 944944^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900138894097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900138894091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121847 + ... + 1748947.

It is an arithmetic number, because the mean of its divisors is an integer number (112721270949).

Almost surely, 2^900138894097 is an apocalyptic number.

It is an amenable number.

900138894097 is a deficient number, since it is larger than the sum of its proper divisors (1631273495).

900138894097 is a wasteful number, since it uses less digits than its factorization.

900138894097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629699.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 900138894097 in words is "nine hundred billion, one hundred thirty-eight million, eight hundred ninety-four thousand, ninety-seven".