428954262916 has 9 divisors (see below), whose sum is σ = 750672252421. Its totient is φ = 214476476512.

The previous prime is 428954262911. The next prime is 428954262923. The reversal of 428954262916 is 619262459824.

It is a happy number.

The square root of 428954262916 is 654946.

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., 427441364100 + 1512898816 = 653790^2 + 38896^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428954262911) 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, 1146156 + ... + 1473628.

Almost surely, 2^428954262916 is an apocalyptic number.

428954262916 is the 654946-th square number.

It is an amenable number.

428954262916 is a deficient number, since it is larger than the sum of its proper divisors (321717989505).

428954262916 is an frugal number, since it uses more digits than its factorization.

428954262916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654950 (or 327475 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 428954262916 in words is "four hundred twenty-eight billion, nine hundred fifty-four million, two hundred sixty-two thousand, nine hundred sixteen".