806698049625 has 96 divisors (see below), whose sum is σ = 1620073072800. Its totient is φ = 383448844800.

The previous prime is 806698049621. The next prime is 806698049639. The reversal of 806698049625 is 526940896608.

806698049625 is a `hidden beast` number, since 8 + 0 + 6 + 69 + 80 + 496 + 2 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 481630448016 + 325067601609 = 693996^2 + 570147^2 .

It is not a de Polignac number, because 806698049625 - 2² = 806698049621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806698049621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 526890 + ... + 1375139.

It is an arithmetic number, because the mean of its divisors is an integer number (16875761175).

Almost surely, 2^806698049625 is an apocalyptic number.

It is an amenable number.

806698049625 is an abundant number, since it is smaller than the sum of its proper divisors (813375023175).

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

806698049625 is a wasteful number, since it uses less digits than its factorization.

806698049625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902092 (or 1902079 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 806698049625 in words is "eight hundred six billion, six hundred ninety-eight million, forty-nine thousand, six hundred twenty-five".