1826838425 has 12 divisors (see below), whose sum is σ = 2267283456. Its totient is φ = 1460178000.

The previous prime is 1826838413. The next prime is 1826838439. The reversal of 1826838425 is 5248386281.

It is not a de Polignac number, because 1826838425 - 2¹⁰ = 1826837401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1826838425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969 + ... + 60518.

It is an arithmetic number, because the mean of its divisors is an integer number (188940288).

Almost surely, 2^1826838425 is an apocalyptic number.

It is an amenable number.

1826838425 is a deficient number, since it is larger than the sum of its proper divisors (440445031).

1826838425 is a wasteful number, since it uses less digits than its factorization.

1826838425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64648 (or 64643 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 1826838425 is about 42741.5304475635. The cubic root of 1826838425 is about 1222.4564019675.

The spelling of 1826838425 in words is "one billion, eight hundred twenty-six million, eight hundred thirty-eight thousand, four hundred twenty-five".