13425404645236 has 6 divisors (see below), whose sum is σ = 23494458129170. Its totient is φ = 6712702322616.

The previous prime is 13425404645183. The next prime is 13425404645251. The reversal of 13425404645236 is 63254640452431.

It can be written as a sum of positive squares in only one way, i.e., 10335389116900 + 3090015528336 = 3214870^2 + 1757844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13425404645236.

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, 1678175580651 + ... + 1678175580658.

Almost surely, 2^{13425404645236} is an apocalyptic number.

It is an amenable number.

13425404645236 is a deficient number, since it is larger than the sum of its proper divisors (10069053483934).

13425404645236 is a wasteful number, since it uses less digits than its factorization.

13425404645236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356351161313 (or 3356351161311 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 13425404645236 in words is "thirteen trillion, four hundred twenty-five billion, four hundred four million, six hundred forty-five thousand, two hundred thirty-six".