254947370551 has 4 divisors (see below), whose sum is σ = 259126835704. Its totient is φ = 250767905400.

The previous prime is 254947370543. The next prime is 254947370563. The reversal of 254947370551 is 155073749452.

254947370551 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 not a de Polignac number, because 254947370551 - 2³ = 254947370543 is a prime.

It is a super-3 number, since 3×254947370551³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254947370581) 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, 2089732485 + ... + 2089732606.

It is an arithmetic number, because the mean of its divisors is an integer number (64781708926).

Almost surely, 2^254947370551 is an apocalyptic number.

254947370551 is a deficient number, since it is larger than the sum of its proper divisors (4179465153).

254947370551 is an equidigital number, since it uses as much as digits as its factorization.

254947370551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179465152.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 254947370551 in words is "two hundred fifty-four billion, nine hundred forty-seven million, three hundred seventy thousand, five hundred fifty-one".