1884772036913 has 2 divisors, whose sum is σ = 1884772036914. Its totient is φ = 1884772036912.

The previous prime is 1884772036879. The next prime is 1884772036919. The reversal of 1884772036913 is 3196302774881.

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., 1434897328384 + 449874708529 = 1197872^2 + 670727^2 .

It is an emirp because it is prime and its reverse (3196302774881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1884772036913 - 2¹⁴ = 1884772020529 is a prime.

It is a super-2 number, since 2×1884772036913² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1884772036919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942386018456 + 942386018457.

It is an arithmetic number, because the mean of its divisors is an integer number (942386018457).

Almost surely, 2^{1884772036913} is an apocalyptic number.

It is an amenable number.

1884772036913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1884772036913 is an equidigital number, since it uses as much as digits as its factorization.

1884772036913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 1884772036913 in words is "one trillion, eight hundred eighty-four billion, seven hundred seventy-two million, thirty-six thousand, nine hundred thirteen".