2059394978 has 8 divisors (see below), whose sum is σ = 3119083968. Its totient is φ = 1019700324.

The previous prime is 2059394959. The next prime is 2059394983. The reversal of 2059394978 is 8794939502.

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

It is a super-2 number, since 2×2059394978² = 8482215350823240968, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4998326 + ... + 4998737.

It is an arithmetic number, because the mean of its divisors is an integer number (389885496).

Almost surely, 2^2059394978 is an apocalyptic number.

2059394978 is a deficient number, since it is larger than the sum of its proper divisors (1059688990).

2059394978 is a wasteful number, since it uses less digits than its factorization.

2059394978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997168.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 2059394978 is about 45380.5572685043. The cubic root of 2059394978 is about 1272.2717472652.

The spelling of 2059394978 in words is "two billion, fifty-nine million, three hundred ninety-four thousand, nine hundred seventy-eight".