9471900866651 has 4 divisors (see below), whose sum is σ = 9475369159704. Its totient is φ = 9468432573600.

The previous prime is 9471900866633. The next prime is 9471900866711. The reversal of 9471900866651 is 1566680091749.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9471900866651 - 2²⁶ = 9471833757787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9471900866551) 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, 1734142430 + ... + 1734147891.

It is an arithmetic number, because the mean of its divisors is an integer number (2368842289926).

Almost surely, 2^{9471900866651} is an apocalyptic number.

9471900866651 is a deficient number, since it is larger than the sum of its proper divisors (3468293053).

9471900866651 is a wasteful number, since it uses less digits than its factorization.

9471900866651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468293052.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 9471900866651 in words is "nine trillion, four hundred seventy-one billion, nine hundred million, eight hundred sixty-six thousand, six hundred fifty-one".