25341623534 has 4 divisors (see below), whose sum is σ = 38012435304. Its totient is φ = 12670811766.

The previous prime is 25341623533. The next prime is 25341623579. The reversal of 25341623534 is 43532614352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25341623533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6335405882 + ... + 6335405885.

It is an arithmetic number, because the mean of its divisors is an integer number (9503108826).

Almost surely, 2^25341623534 is an apocalyptic number.

25341623534 is a deficient number, since it is larger than the sum of its proper divisors (12670811770).

25341623534 is a wasteful number, since it uses less digits than its factorization.

25341623534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670811769.

The product of its digits is 259200, while the sum is 38.

The spelling of 25341623534 in words is "twenty-five billion, three hundred forty-one million, six hundred twenty-three thousand, five hundred thirty-four".