254910136321 has 4 divisors (see below), whose sum is σ = 256474002352. Its totient is φ = 253346270292.

The previous prime is 254910136319. The next prime is 254910136331. The reversal of 254910136321 is 123631019452.

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 254910136321 - 2¹ = 254910136319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254910136301) 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, 781932771 + ... + 781933096.

It is an arithmetic number, because the mean of its divisors is an integer number (64118500588).

Almost surely, 2^254910136321 is an apocalyptic number.

It is an amenable number.

254910136321 is a deficient number, since it is larger than the sum of its proper divisors (1563866031).

254910136321 is a wasteful number, since it uses less digits than its factorization.

254910136321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563866030.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 254910136321 in words is "two hundred fifty-four billion, nine hundred ten million, one hundred thirty-six thousand, three hundred twenty-one".