1672420554811 has 2 divisors, whose sum is σ = 1672420554812. Its totient is φ = 1672420554810.

The previous prime is 1672420554767. The next prime is 1672420554923. The reversal of 1672420554811 is 1184550242761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672420554811 - 2¹³ = 1672420546619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672420554011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836210277405 + 836210277406.

It is an arithmetic number, because the mean of its divisors is an integer number (836210277406).

Almost surely, 2^{1672420554811} is an apocalyptic number.

1672420554811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672420554811 is an equidigital number, since it uses as much as digits as its factorization.

1672420554811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 1672420554811 in words is "one trillion, six hundred seventy-two billion, four hundred twenty million, five hundred fifty-four thousand, eight hundred eleven".