361974903869 has 2 divisors, whose sum is σ = 361974903870. Its totient is φ = 361974903868.

The previous prime is 361974903821. The next prime is 361974903883. The reversal of 361974903869 is 968309479163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312173625625 + 49801278244 = 558725^2 + 223162^2 .

It is a cyclic number.

It is not a de Polignac number, because 361974903869 - 2¹² = 361974899773 is a prime.

It is a super-2 number, since 2×361974903869² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361974903569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180987451934 + 180987451935.

It is an arithmetic number, because the mean of its divisors is an integer number (180987451935).

Almost surely, 2^361974903869 is an apocalyptic number.

It is an amenable number.

361974903869 is a deficient number, since it is larger than the sum of its proper divisors (1).

361974903869 is an equidigital number, since it uses as much as digits as its factorization.

361974903869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 361974903869 in words is "three hundred sixty-one billion, nine hundred seventy-four million, nine hundred three thousand, eight hundred sixty-nine".