1803946077851 has 2 divisors, whose sum is σ = 1803946077852. Its totient is φ = 1803946077850.

The previous prime is 1803946077779. The next prime is 1803946077877. The reversal of 1803946077851 is 1587706493081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1803946077851 - 2²² = 1803941883547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1803946077881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901973038925 + 901973038926.

It is an arithmetic number, because the mean of its divisors is an integer number (901973038926).

Almost surely, 2^{1803946077851} is an apocalyptic number.

1803946077851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1803946077851 is an equidigital number, since it uses as much as digits as its factorization.

1803946077851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 1803946077851 in words is "one trillion, eight hundred three billion, nine hundred forty-six million, seventy-seven thousand, eight hundred fifty-one".