999472069696 has 63 divisors (see below), whose sum is σ = 2107143076917. Its totient is φ = 470275814400.

The previous prime is 999472069693. The next prime is 999472069697. The reversal of 999472069696 is 696960274999.

The square root of 999472069696 is 999736.

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

It can be written as a sum of positive squares in only one way, i.e., 778135694400 + 221336375296 = 882120^2 + 470464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999472069693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 135960421 + ... + 135967771.

Almost surely, 2^999472069696 is an apocalyptic number.

999472069696 is the 999736-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999472069696

999472069696 is an abundant number, since it is smaller than the sum of its proper divisors (1107671007221).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999472069696 is an frugal number, since it uses more digits than its factorization.

999472069696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 714256704, while the sum is 76.

The spelling of 999472069696 in words is "nine hundred ninety-nine billion, four hundred seventy-two million, sixty-nine thousand, six hundred ninety-six".