254657652254 has 4 divisors (see below), whose sum is σ = 381986478384. Its totient is φ = 127328826126.

The previous prime is 254657652247. The next prime is 254657652257. The reversal of 254657652254 is 452256756452.

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

It is a junction number, because it is equal to n+sod(n) for n = 254657652196 and 254657652205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254657652257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63664413062 + ... + 63664413065.

It is an arithmetic number, because the mean of its divisors is an integer number (95496619596).

Almost surely, 2^254657652254 is an apocalyptic number.

254657652254 is a deficient number, since it is larger than the sum of its proper divisors (127328826130).

254657652254 is a wasteful number, since it uses less digits than its factorization.

254657652254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127328826129.

The product of its digits is 20160000, while the sum is 53.

The spelling of 254657652254 in words is "two hundred fifty-four billion, six hundred fifty-seven million, six hundred fifty-two thousand, two hundred fifty-four".