254355621059 has 4 divisors (see below), whose sum is σ = 256732776504. Its totient is φ = 251978465616.

The previous prime is 254355620977. The next prime is 254355621073. The reversal of 254355621059 is 950126553452.

254355621059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254355621059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254355621089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188577562 + ... + 1188577775.

It is an arithmetic number, because the mean of its divisors is an integer number (64183194126).

Almost surely, 2^254355621059 is an apocalyptic number.

254355621059 is a deficient number, since it is larger than the sum of its proper divisors (2377155445).

254355621059 is a wasteful number, since it uses less digits than its factorization.

254355621059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377155444.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 254355621059 in words is "two hundred fifty-four billion, three hundred fifty-five million, six hundred twenty-one thousand, fifty-nine".