13264502645 has 8 divisors (see below), whose sum is σ = 16005345720.
Its totient is φ = 10552973760.
The previous prime is 13264502633. The next prime is 13264502659. The reversal of 13264502645 is 54620546231.
It can be written as a sum of positive squares in 4 ways, for example, as 967023409 + 12297479236 = 31097^2 + 110894^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13264502645 - 230 = 12190760821 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13264502599 and 13264502608.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7327550 + ... + 7329359.
It is an arithmetic number, because the mean of its divisors is an integer number (2000668215).
Almost surely, 213264502645 is an apocalyptic number.
It is an amenable number.
13264502645 is a deficient number, since it is larger than the sum of its proper divisors (2740843075).
13264502645 is a wasteful number, since it uses less digits than its factorization.
13264502645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14657095.
The product of its (nonzero) digits is 172800, while the sum is 38.
The spelling of 13264502645 in words is "thirteen billion, two hundred sixty-four million, five hundred two thousand, six hundred forty-five".