361881028799 has 2 divisors, whose sum is σ = 361881028800. Its totient is φ = 361881028798.

The previous prime is 361881028777. The next prime is 361881028811. The reversal of 361881028799 is 997820188163.

It is a strong prime.

It is an emirp because it is prime and its reverse (997820188163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361881028799 - 2¹⁶ = 361880963263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361881028699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180940514399 + 180940514400.

It is an arithmetic number, because the mean of its divisors is an integer number (180940514400).

Almost surely, 2^361881028799 is an apocalyptic number.

361881028799 is a deficient number, since it is larger than the sum of its proper divisors (1).

361881028799 is an equidigital number, since it uses as much as digits as its factorization.

361881028799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 361881028799 in words is "three hundred sixty-one billion, eight hundred eighty-one million, twenty-eight thousand, seven hundred ninety-nine".