2556950605 has 8 divisors (see below), whose sum is σ = 3347280864. Its totient is φ = 1859600400.

The previous prime is 2556950597. The next prime is 2556950629. The reversal of 2556950605 is 5060596552.

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

It is not a de Polignac number, because 2556950605 - 2³ = 2556950597 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23244951 + ... + 23245060.

It is an arithmetic number, because the mean of its divisors is an integer number (418410108).

Almost surely, 2^2556950605 is an apocalyptic number.

It is an amenable number.

2556950605 is a deficient number, since it is larger than the sum of its proper divisors (790330259).

2556950605 is a wasteful number, since it uses less digits than its factorization.

2556950605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46490027.

The product of its (nonzero) digits is 405000, while the sum is 43.

The square root of 2556950605 is about 50566.2991032565. The cubic root of 2556950605 is about 1367.4373756870.

The spelling of 2556950605 in words is "two billion, five hundred fifty-six million, nine hundred fifty thousand, six hundred five".