2571978334 has 8 divisors (see below), whose sum is σ = 3858541848. Its totient is φ = 1285797720.

The previous prime is 2571978323. The next prime is 2571978347. The reversal of 2571978334 is 4338791752.

2571978334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent 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, 78297 + ... + 106180.

It is an arithmetic number, because the mean of its divisors is an integer number (482317731).

Almost surely, 2^2571978334 is an apocalyptic number.

2571978334 is a deficient number, since it is larger than the sum of its proper divisors (1286563514).

2571978334 is a wasteful number, since it uses less digits than its factorization.

2571978334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191450.

The product of its digits is 1270080, while the sum is 49.

The square root of 2571978334 is about 50714.6757260657. The cubic root of 2571978334 is about 1370.1110489486. Note that the first 3 decimals are identical.

The spelling of 2571978334 in words is "two billion, five hundred seventy-one million, nine hundred seventy-eight thousand, three hundred thirty-four".