2064562378 has 8 divisors (see below), whose sum is σ = 3100260672. Its totient is φ = 1031142156.

The previous prime is 2064562369. The next prime is 2064562387. The reversal of 2064562378 is 8732654602.

It is an interprime number because it is at equal distance from previous prime (2064562369) and next prime (2064562387).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 567250 + ... + 570877.

It is an arithmetic number, because the mean of its divisors is an integer number (387532584).

Almost surely, 2^2064562378 is an apocalyptic number.

2064562378 is a deficient number, since it is larger than the sum of its proper divisors (1035698294).

2064562378 is a wasteful number, since it uses less digits than its factorization.

2064562378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139036.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2064562378 is about 45437.4556726056. The cubic root of 2064562378 is about 1273.3349795915.

The spelling of 2064562378 in words is "two billion, sixty-four million, five hundred sixty-two thousand, three hundred seventy-eight".