1438625052365 has 16 divisors (see below), whose sum is σ = 1729935370800. Its totient is φ = 1148511974400.

The previous prime is 1438625052307. The next prime is 1438625052373. The reversal of 1438625052365 is 5632505268341.

It can be written as a sum of positive squares in 8 ways, for example, as 72374988676 + 1366250063689 = 269026^2 + 1168867^2 .

It is not a de Polignac number, because 1438625052365 - 2⁶ = 1438625052301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5296757 + ... + 5561733.

It is an arithmetic number, because the mean of its divisors is an integer number (108120960675).

Almost surely, 2^{1438625052365} is an apocalyptic number.

It is an amenable number.

1438625052365 is a deficient number, since it is larger than the sum of its proper divisors (291310318435).

1438625052365 is a wasteful number, since it uses less digits than its factorization.

1438625052365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267232.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 1438625052365 in words is "one trillion, four hundred thirty-eight billion, six hundred twenty-five million, fifty-two thousand, three hundred sixty-five".