2564473154 has 16 divisors (see below), whose sum is σ = 4105064448. Its totient is φ = 1197306432.

The previous prime is 2564473147. The next prime is 2564473169. The reversal of 2564473154 is 4513744652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292634 + ... + 301269.

It is an arithmetic number, because the mean of its divisors is an integer number (256566528).

Almost surely, 2^2564473154 is an apocalyptic number.

2564473154 is a deficient number, since it is larger than the sum of its proper divisors (1540591294).

2564473154 is a wasteful number, since it uses less digits than its factorization.

2564473154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594049.

The product of its digits is 403200, while the sum is 41.

The square root of 2564473154 is about 50640.6275040110. The cubic root of 2564473154 is about 1368.7770630680. Note that the first 3 decimals are identical.

The spelling of 2564473154 in words is "two billion, five hundred sixty-four million, four hundred seventy-three thousand, one hundred fifty-four".