1819100912407 has 2 divisors, whose sum is σ = 1819100912408. Its totient is φ = 1819100912406.

The previous prime is 1819100912399. The next prime is 1819100912501. The reversal of 1819100912407 is 7042190019181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1819100912407 - 2³ = 1819100912399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1819100916407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909550456203 + 909550456204.

It is an arithmetic number, because the mean of its divisors is an integer number (909550456204).

Almost surely, 2^{1819100912407} is an apocalyptic number.

1819100912407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1819100912407 is an equidigital number, since it uses as much as digits as its factorization.

1819100912407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1819100912407 in words is "one trillion, eight hundred nineteen billion, one hundred million, nine hundred twelve thousand, four hundred seven".