900009487613 has 8 divisors (see below), whose sum is σ = 903406980600. Its totient is φ = 896612378368.

The previous prime is 900009487607. The next prime is 900009487621. The reversal of 900009487613 is 316784900009.

It can be written as a sum of positive squares in 4 ways, for example, as 29096854084 + 870912633529 = 170578^2 + 933227^2 .

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 900009487613 - 2⁸ = 900009487357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900009487313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5141393 + ... + 5313561.

It is an arithmetic number, because the mean of its divisors is an integer number (112925872575).

Almost surely, 2^900009487613 is an apocalyptic number.

It is an amenable number.

900009487613 is a deficient number, since it is larger than the sum of its proper divisors (3397492987).

900009487613 is a wasteful number, since it uses less digits than its factorization.

900009487613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191871.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 900009487613 in words is "nine hundred billion, nine million, four hundred eighty-seven thousand, six hundred thirteen".