361428971773 has 2 divisors, whose sum is σ = 361428971774. Its totient is φ = 361428971772.

The previous prime is 361428971713. The next prime is 361428971779. The reversal of 361428971773 is 377179824163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356645451204 + 4783520569 = 597198^2 + 69163^2 .

It is a cyclic number.

It is not a de Polignac number, because 361428971773 - 2¹⁷ = 361428840701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361428971779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180714485886 + 180714485887.

It is an arithmetic number, because the mean of its divisors is an integer number (180714485887).

Almost surely, 2^361428971773 is an apocalyptic number.

It is an amenable number.

361428971773 is a deficient number, since it is larger than the sum of its proper divisors (1).

361428971773 is an equidigital number, since it uses as much as digits as its factorization.

361428971773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 58.

The spelling of 361428971773 in words is "three hundred sixty-one billion, four hundred twenty-eight million, nine hundred seventy-one thousand, seven hundred seventy-three".