13025661736 has 16 divisors (see below), whose sum is σ = 25708543200. Its totient is φ = 6170050224.

The previous prime is 13025661731. The next prime is 13025661739. The reversal of 13025661736 is 63716652031.

It is not an unprimeable number, because it can be changed into a prime (13025661731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42847420 + ... + 42847723.

It is an arithmetic number, because the mean of its divisors is an integer number (1606783950).

Almost surely, 2^13025661736 is an apocalyptic number.

It is an amenable number.

13025661736 is a deficient number, since it is larger than the sum of its proper divisors (12682881464).

13025661736 is a wasteful number, since it uses less digits than its factorization.

13025661736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85695168 (or 85695164 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 13025661736 in words is "thirteen billion, twenty-five million, six hundred sixty-one thousand, seven hundred thirty-six".