900488446001861 has 4 divisors (see below), whose sum is σ = 900582061610400. Its totient is φ = 900394830393324.

The previous prime is 900488446001819. The next prime is 900488446001897. The reversal of 900488446001861 is 168100644884009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 900488446001861 - 2⁴² = 896090399490757 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 900488446001861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900488406001861) 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, 46807789841 + ... + 46807809078.

It is an arithmetic number, because the mean of its divisors is an integer number (225145515402600).

Almost surely, 2^{900488446001861} is an apocalyptic number.

It is an amenable number.

900488446001861 is a deficient number, since it is larger than the sum of its proper divisors (93615608539).

900488446001861 is an equidigital number, since it uses as much as digits as its factorization.

900488446001861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93615608538.

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 900488446001861 in words is "nine hundred trillion, four hundred eighty-eight billion, four hundred forty-six million, one thousand, eight hundred sixty-one".