1802432272601 has 2 divisors, whose sum is σ = 1802432272602. Its totient is φ = 1802432272600.

The previous prime is 1802432272579. The next prime is 1802432272631. The reversal of 1802432272601 is 1062722342081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1381743826576 + 420688446025 = 1175476^2 + 648605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1802432272601 - 2²⁶ = 1802365163737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1802432272631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901216136300 + 901216136301.

It is an arithmetic number, because the mean of its divisors is an integer number (901216136301).

Almost surely, 2^{1802432272601} is an apocalyptic number.

It is an amenable number.

1802432272601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1802432272601 is an equidigital number, since it uses as much as digits as its factorization.

1802432272601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 1802432272601 in words is "one trillion, eight hundred two billion, four hundred thirty-two million, two hundred seventy-two thousand, six hundred one".