1625470869317 has 4 divisors (see below), whose sum is σ = 1629649458060. Its totient is φ = 1621292280576.

The previous prime is 1625470869259. The next prime is 1625470869349. The reversal of 1625470869317 is 7139680745261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124468545601 + 1501002323716 = 352801^2 + 1225154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625470869317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625470869917) 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, 2089293788 + ... + 2089294565.

It is an arithmetic number, because the mean of its divisors is an integer number (407412364515).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1625470869317 = 3250941738634, but 3⋅1625470869317 = 4876412607951 is not.

Almost surely, 2^{1625470869317} is an apocalyptic number.

It is an amenable number.

1625470869317 is a deficient number, since it is larger than the sum of its proper divisors (4178588743).

1625470869317 is an equidigital number, since it uses as much as digits as its factorization.

1625470869317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178588742.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 1625470869317 in words is "one trillion, six hundred twenty-five billion, four hundred seventy million, eight hundred sixty-nine thousand, three hundred seventeen".