2064678242390 has 32 divisors (see below), whose sum is σ = 3772091787264. Its totient is φ = 813501295200.

The previous prime is 2064678242339. The next prime is 2064678242399. The reversal of 2064678242390 is 932428764602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064678242399) 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 15 ways as a sum of consecutive naturals, for example, 14311115 + ... + 14454665.

It is an arithmetic number, because the mean of its divisors is an integer number (117877868352).

Almost surely, 2^{2064678242390} is an apocalyptic number.

2064678242390 is a deficient number, since it is larger than the sum of its proper divisors (1707413544874).

2064678242390 is a wasteful number, since it uses less digits than its factorization.

2064678242390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165092.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 2064678242390 in words is "two trillion, sixty-four billion, six hundred seventy-eight million, two hundred forty-two thousand, three hundred ninety".