254003421043 has 4 divisors (see below), whose sum is σ = 254007396688. Its totient is φ = 253999445400.

The previous prime is 254003420989. The next prime is 254003421059. The reversal of 254003421043 is 340124300452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 254003421043 - 2²⁵ = 253969866611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254003421743) 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, 1890396 + ... + 2020297.

It is an arithmetic number, because the mean of its divisors is an integer number (63501849172).

Almost surely, 2^254003421043 is an apocalyptic number.

254003421043 is a deficient number, since it is larger than the sum of its proper divisors (3975645).

254003421043 is an equidigital number, since it uses as much as digits as its factorization.

254003421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975644.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 254003421043 its reverse (340124300452), we get a palindrome (594127721495).

It can be divided in two parts, 25400 and 3421043, that added together give a palindrome (3446443).

The spelling of 254003421043 in words is "two hundred fifty-four billion, three million, four hundred twenty-one thousand, forty-three".