25073442934 has 4 divisors (see below), whose sum is σ = 37610164404. Its totient is φ = 12536721466.

The previous prime is 25073442869. The next prime is 25073442997. The reversal of 25073442934 is 43924437052.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268360732 + ... + 6268360735.

It is an arithmetic number, because the mean of its divisors is an integer number (9402541101).

Almost surely, 2^25073442934 is an apocalyptic number.

25073442934 is a deficient number, since it is larger than the sum of its proper divisors (12536721470).

25073442934 is a wasteful number, since it uses less digits than its factorization.

25073442934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536721469.

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 25073442934 its reverse (43924437052), we get a palindrome (68997879986).

The spelling of 25073442934 in words is "twenty-five billion, seventy-three million, four hundred forty-two thousand, nine hundred thirty-four".