1826194794977 has 16 divisors (see below), whose sum is σ = 2118380129280. Its totient is φ = 1541837859408.

The previous prime is 1826194794971. The next prime is 1826194794979. The reversal of 1826194794977 is 7794974916281.

It is not a de Polignac number, because 1826194794977 - 2¹⁶ = 1826194729441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1826194794971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6876068 + ... + 7136714.

It is an arithmetic number, because the mean of its divisors is an integer number (132398758080).

Almost surely, 2^{1826194794977} is an apocalyptic number.

It is an amenable number.

1826194794977 is a deficient number, since it is larger than the sum of its proper divisors (292185334303).

1826194794977 is a wasteful number, since it uses less digits than its factorization.

1826194794977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275660.

The product of its digits is 384072192, while the sum is 74.

The spelling of 1826194794977 in words is "one trillion, eight hundred twenty-six billion, one hundred ninety-four million, seven hundred ninety-four thousand, nine hundred seventy-seven".