254740000769 has 4 divisors (see below), whose sum is σ = 254741021700. Its totient is φ = 254738979840.

The previous prime is 254740000747. The next prime is 254740000771. The reversal of 254740000769 is 967000047452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76030893169 + 178709107600 = 275737^2 + 422740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254740000769 is a prime.

It is a super-2 number, since 2×254740000769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (254740005769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140657 + ... + 727505.

It is an arithmetic number, because the mean of its divisors is an integer number (63685255425).

Almost surely, 2^254740000769 is an apocalyptic number.

It is an amenable number.

254740000769 is a deficient number, since it is larger than the sum of its proper divisors (1020931).

254740000769 is an equidigital number, since it uses as much as digits as its factorization.

254740000769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020930.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 254740000769 in words is "two hundred fifty-four billion, seven hundred forty million, seven hundred sixty-nine", and thus it is an aban number.