2564156414 has 8 divisors (see below), whose sum is σ = 3846468600. Its totient is φ = 1282000216.

The previous prime is 2564156401. The next prime is 2564156437. The reversal of 2564156414 is 4146514652.

It is a happy number.

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, 19877 + ... + 74319.

It is an arithmetic number, because the mean of its divisors is an integer number (480808575).

Almost surely, 2^2564156414 is an apocalyptic number.

2564156414 is a deficient number, since it is larger than the sum of its proper divisors (1282312186).

2564156414 is a wasteful number, since it uses less digits than its factorization.

2564156414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77994.

The product of its digits is 115200, while the sum is 38.

The square root of 2564156414 is about 50637.5000765243. The cubic root of 2564156414 is about 1368.7207078543.

The spelling of 2564156414 in words is "two billion, five hundred sixty-four million, one hundred fifty-six thousand, four hundred fourteen".