1826213998825 has 12 divisors (see below), whose sum is σ = 2265083602380. Its totient is φ = 1460598138560.

The previous prime is 1826213998813. The next prime is 1826213998831. The reversal of 1826213998825 is 5288993126281.

It can be written as a sum of positive squares in 6 ways, for example, as 178708262121 + 1647505736704 = 422739^2 + 1283552^2 .

It is not a de Polignac number, because 1826213998825 - 2¹⁹ = 1826213474537 is a prime.

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, 9226630 + ... + 9422479.

It is an arithmetic number, because the mean of its divisors is an integer number (188756966865).

Almost surely, 2^{1826213998825} is an apocalyptic number.

It is an amenable number.

1826213998825 is a deficient number, since it is larger than the sum of its proper divisors (438869603555).

1826213998825 is a wasteful number, since it uses less digits than its factorization.

1826213998825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18653036 (or 18653031 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The spelling of 1826213998825 in words is "one trillion, eight hundred twenty-six billion, two hundred thirteen million, nine hundred ninety-eight thousand, eight hundred twenty-five".