265690013438 has 16 divisors (see below), whose sum is σ = 409857204960. Its totient is φ = 129080611296.

The previous prime is 265690013339. The next prime is 265690013467. The reversal of 265690013438 is 834310096562.

265690013438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 265690013392 and 265690013401.

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, 2361173 + ... + 2471136.

It is an arithmetic number, because the mean of its divisors is an integer number (25616075310).

Almost surely, 2^265690013438 is an apocalyptic number.

265690013438 is a deficient number, since it is larger than the sum of its proper divisors (144167191522).

265690013438 is a wasteful number, since it uses less digits than its factorization.

265690013438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833091.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 265690013438 in words is "two hundred sixty-five billion, six hundred ninety million, thirteen thousand, four hundred thirty-eight".