899466210721 has 8 divisors (see below), whose sum is σ = 971770572864. Its totient is φ = 827606799120.

The previous prime is 899466210637. The next prime is 899466210779. The reversal of 899466210721 is 127012664998.

899466210721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 899466210721 - 2³¹ = 897318727073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (899466210821) 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, 111233431 + ... + 111241516.

It is an arithmetic number, because the mean of its divisors is an integer number (121471321608).

Almost surely, 2^899466210721 is an apocalyptic number.

It is an amenable number.

899466210721 is a deficient number, since it is larger than the sum of its proper divisors (72304362143).

899466210721 is a wasteful number, since it uses less digits than its factorization.

899466210721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222475271.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 899466210721 in words is "eight hundred ninety-nine billion, four hundred sixty-six million, two hundred ten thousand, seven hundred twenty-one".