64285196440899 has 64 divisors (see below), whose sum is σ = 102097916743680. Its totient is φ = 35216325486720.

The previous prime is 64285196440879. The next prime is 64285196440903. The reversal of 64285196440899 is 99804469158246.

It is not a de Polignac number, because 64285196440899 - 2⁵ = 64285196440867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64285196440899.

It is not an unprimeable number, because it can be changed into a prime (64285196440879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24474232 + ... + 26973290.

It is an arithmetic number, because the mean of its divisors is an integer number (1595279949120).

Almost surely, 2^{64285196440899} is an apocalyptic number.

64285196440899 is a deficient number, since it is larger than the sum of its proper divisors (37812720302781).

64285196440899 is a wasteful number, since it uses less digits than its factorization.

64285196440899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499640.

The product of its (nonzero) digits is 1074954240, while the sum is 75.

The spelling of 64285196440899 in words is "sixty-four trillion, two hundred eighty-five billion, one hundred ninety-six million, four hundred forty thousand, eight hundred ninety-nine".