13690851013225 has 9 divisors (see below), whose sum is σ = 16976678197143. Its totient is φ = 10952666010120.

The previous prime is 13690851013201. The next prime is 13690851013351. The reversal of 13690851013225 is 52231015809631.

The square root of 13690851013225 is 3700115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4928706364761 + 8762144648464 = 2220069^2 + 2960092^2 .

It is not a de Polignac number, because 13690851013225 - 2¹¹ = 13690851011177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18130564 + ... + 18870586.

Almost surely, 2^{13690851013225} is an apocalyptic number.

13690851013225 is the 3700115-th square number.

13690851013225 is the 1850058-th centered octagonal number.

It is an amenable number.

13690851013225 is a deficient number, since it is larger than the sum of its proper divisors (3285827183918).

13690851013225 is an frugal number, since it uses more digits than its factorization.

13690851013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480056 (or 740028 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 13690851013225 in words is "thirteen trillion, six hundred ninety billion, eight hundred fifty-one million, thirteen thousand, two hundred twenty-five".