64090144899 has 144 divisors (see below), whose sum is σ = 111426165760. Its totient is φ = 35334921600.

The previous prime is 64090144889. The next prime is 64090144907. The reversal of 64090144899 is 99844109046.

It is a happy number.

64090144899 is a `hidden beast` number, since 6 + 409 + 0 + 144 + 8 + 99 = 666.

It is not a de Polignac number, because 64090144899 - 2⁹ = 64090144387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64090144889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 104551317 + ... + 104551929.

Almost surely, 2^64090144899 is an apocalyptic number.

64090144899 is a deficient number, since it is larger than the sum of its proper divisors (47336020861).

64090144899 is a wasteful number, since it uses less digits than its factorization.

64090144899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 64090144899 in words is "sixty-four billion, ninety million, one hundred forty-four thousand, eight hundred ninety-nine".