986450908545 has 32 divisors (see below), whose sum is σ = 1758469040640. Its totient is φ = 524673590400.

The previous prime is 986450908543. The next prime is 986450908567. The reversal of 986450908545 is 545809054689.

986450908545 is a `hidden beast` number, since 9 + 8 + 6 + 4 + 509 + 0 + 85 + 45 = 666.

It is not a de Polignac number, because 986450908545 - 2¹ = 986450908543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (986450908543) 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 31 ways as a sum of consecutive naturals, for example, 9905556 + ... + 10004645.

It is an arithmetic number, because the mean of its divisors is an integer number (54952157520).

Almost surely, 2^986450908545 is an apocalyptic number.

It is an amenable number.

986450908545 is a deficient number, since it is larger than the sum of its proper divisors (772018132095).

986450908545 is a wasteful number, since it uses less digits than its factorization.

986450908545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19910582 (or 19910576 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 63.

The spelling of 986450908545 in words is "nine hundred eighty-six billion, four hundred fifty million, nine hundred eight thousand, five hundred forty-five".