94470784321 has 3 divisors (see below), whose sum is σ = 94471091683. Its totient is φ = 94470476960.

The previous prime is 94470784307. The next prime is 94470784349. The reversal of 94470784321 is 12348707449.

The square root of 94470784321 is 307361.

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 can be written as a sum of positive squares in only one way, i.e., 2904024321 + 91566760000 = 53889^2 + 302600^2 .

It is not a de Polignac number, because 94470784321 - 2⁷ = 94470784193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94470784301) 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, 153681 + ... + 461041.

Almost surely, 2^94470784321 is an apocalyptic number.

94470784321 is the 307361-st square number.

94470784321 is the 153681-st centered octagonal number.

It is an amenable number.

94470784321 is a deficient number, since it is larger than the sum of its proper divisors (307362).

94470784321 is an frugal number, since it uses more digits than its factorization.

94470784321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614722 (or 307361 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

Multiplying 94470784321 by its sum of digits (49), we get a square (4629068431729 = 2151527²).

The spelling of 94470784321 in words is "ninety-four billion, four hundred seventy million, seven hundred eighty-four thousand, three hundred twenty-one".