25342334421 has 16 divisors (see below), whose sum is σ = 35264592384. Its totient is φ = 16157720304.

The previous prime is 25342334419. The next prime is 25342334443. The reversal of 25342334421 is 12443324352.

It is not a de Polignac number, because 25342334421 - 2¹ = 25342334419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342334411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458730 + ... + 510996.

It is an arithmetic number, because the mean of its divisors is an integer number (2204037024).

Almost surely, 2^25342334421 is an apocalyptic number.

It is an amenable number.

25342334421 is a deficient number, since it is larger than the sum of its proper divisors (9922257963).

25342334421 is a wasteful number, since it uses less digits than its factorization.

25342334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59320.

The product of its digits is 69120, while the sum is 33.

Adding to 25342334421 its reverse (12443324352), we get a palindrome (37785658773).

The spelling of 25342334421 in words is "twenty-five billion, three hundred forty-two million, three hundred thirty-four thousand, four hundred twenty-one".