25234356333421 has 16 divisors (see below), whose sum is σ = 25933615497664. Its totient is φ = 24536008007424.

The previous prime is 25234356333367. The next prime is 25234356333463. The reversal of 25234356333421 is 12433365343252.

It is a happy number.

It is not a de Polignac number, because 25234356333421 - 2⁹ = 25234356332909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25234356336421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146848806 + ... + 1146870808.

It is an arithmetic number, because the mean of its divisors is an integer number (1620850968604).

Almost surely, 2^{25234356333421} is an apocalyptic number.

It is an amenable number.

25234356333421 is a deficient number, since it is larger than the sum of its proper divisors (699259164243).

25234356333421 is a wasteful number, since it uses less digits than its factorization.

25234356333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41260.

The product of its digits is 4665600, while the sum is 46.

The spelling of 25234356333421 in words is "twenty-five trillion, two hundred thirty-four billion, three hundred fifty-six million, three hundred thirty-three thousand, four hundred twenty-one".