25700546734 has 4 divisors (see below), whose sum is σ = 38550820104. Its totient is φ = 12850273366.

The previous prime is 25700546731. The next prime is 25700546747. The reversal of 25700546734 is 43764500752.

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 (25700546731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425136682 + ... + 6425136685.

It is an arithmetic number, because the mean of its divisors is an integer number (9637705026).

Almost surely, 2^25700546734 is an apocalyptic number.

25700546734 is a deficient number, since it is larger than the sum of its proper divisors (12850273370).

25700546734 is a wasteful number, since it uses less digits than its factorization.

25700546734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850273369.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 25700546734 in words is "twenty-five billion, seven hundred million, five hundred forty-six thousand, seven hundred thirty-four".