424928464825 has 12 divisors (see below), whose sum is σ = 526939806060. Its totient is φ = 339924378560.

The previous prime is 424928464819. The next prime is 424928464907. The reversal of 424928464825 is 528464829424.

It can be written as a sum of positive squares in 6 ways, for example, as 118327056169 + 306601408656 = 343987^2 + 553716^2 .

It is not a de Polignac number, because 424928464825 - 2¹⁹ = 424927940537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424928464825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21327 + ... + 922123.

It is an arithmetic number, because the mean of its divisors is an integer number (43911650505).

Almost surely, 2^424928464825 is an apocalyptic number.

It is an amenable number.

424928464825 is a deficient number, since it is larger than the sum of its proper divisors (102011341235).

424928464825 is a wasteful number, since it uses less digits than its factorization.

424928464825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919676 (or 919671 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 58.

The spelling of 424928464825 in words is "four hundred twenty-four billion, nine hundred twenty-eight million, four hundred sixty-four thousand, eight hundred twenty-five".