94272661966921 has 3 divisors (see below), whose sum is σ = 94272671676333. Its totient is φ = 94272652257510.

The previous prime is 94272661966919. The next prime is 94272661966933. The reversal of 94272661966921 is 12966916627249.

The square root of 94272661966921 is 9709411.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 94272661966921 - 2¹ = 94272661966919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94272661966981) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4854706 + ... + 14564116.

It is an arithmetic number, because the mean of its divisors is an integer number (31424223892111).

Almost surely, 2^{94272661966921} is an apocalyptic number.

94272661966921 is the 9709411-st square number.

94272661966921 is the 4854706-th centered octagonal number.

It is an amenable number.

94272661966921 is a deficient number, since it is larger than the sum of its proper divisors (9709412).

94272661966921 is an frugal number, since it uses more digits than its factorization.

94272661966921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418822 (or 9709411 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 70.

The spelling of 94272661966921 in words is "ninety-four trillion, two hundred seventy-two billion, six hundred sixty-one million, nine hundred sixty-six thousand, nine hundred twenty-one".