254119953781 has 4 divisors (see below), whose sum is σ = 260029720192. Its totient is φ = 248210187372.

The previous prime is 254119953749. The next prime is 254119953811. The reversal of 254119953781 is 187359911452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254119953781 - 2⁵ = 254119953749 is a prime.

It is a super-2 number, since 2×254119953781² (a number of 24 digits) contains 22 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 (254119951781) 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, 2954883141 + ... + 2954883226.

It is an arithmetic number, because the mean of its divisors is an integer number (65007430048).

Almost surely, 2^254119953781 is an apocalyptic number.

It is an amenable number.

254119953781 is a deficient number, since it is larger than the sum of its proper divisors (5909766411).

254119953781 is an equidigital number, since it uses as much as digits as its factorization.

254119953781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909766410.

The product of its digits is 2721600, while the sum is 55.

The spelling of 254119953781 in words is "two hundred fifty-four billion, one hundred nineteen million, nine hundred fifty-three thousand, seven hundred eighty-one".