254846648451 has 4 divisors (see below), whose sum is σ = 339795531272. Its totient is φ = 169897765632.

The previous prime is 254846648429. The next prime is 254846648471. The reversal of 254846648451 is 154846648452.

It is a happy number.

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

It is not a de Polignac number, because 254846648451 - 2¹³ = 254846640259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254846648391 and 254846648400.

It is not an unprimeable number, because it can be changed into a prime (254846648411) 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, 42474441406 + ... + 42474441411.

It is an arithmetic number, because the mean of its divisors is an integer number (84948882818).

Almost surely, 2^254846648451 is an apocalyptic number.

254846648451 is a deficient number, since it is larger than the sum of its proper divisors (84948882821).

254846648451 is an equidigital number, since it uses as much as digits as its factorization.

254846648451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84948882820.

The product of its digits is 29491200, while the sum is 57.

Subtracting from 254846648451 its reverse (154846648452), we obtain a palindrome (99999999999).

The spelling of 254846648451 in words is "two hundred fifty-four billion, eight hundred forty-six million, six hundred forty-eight thousand, four hundred fifty-one".