65890469412 has 48 divisors (see below), whose sum is σ = 174050311680. Its totient is φ = 21549082464.

The previous prime is 65890469377. The next prime is 65890469423. The reversal of 65890469412 is 21496409856.

65890469412 is a `hidden beast` number, since 6 + 58 + 90 + 469 + 41 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749908 + ... + 5761355.

It is an arithmetic number, because the mean of its divisors is an integer number (3626048160).

Almost surely, 2^65890469412 is an apocalyptic number.

It is an amenable number.

65890469412 is an abundant number, since it is smaller than the sum of its proper divisors (108159842268).

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

65890469412 is a wasteful number, since it uses less digits than its factorization.

65890469412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511329 (or 11511321 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 65890469412 in words is "sixty-five billion, eight hundred ninety million, four hundred sixty-nine thousand, four hundred twelve".