994362263549 has 2 divisors, whose sum is σ = 994362263550. Its totient is φ = 994362263548.

The previous prime is 994362263483. The next prime is 994362263551. The reversal of 994362263549 is 945362263499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980238604900 + 14123658649 = 990070^2 + 118843^2 .

It is an emirp because it is prime and its reverse (945362263499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994362263549 - 2¹² = 994362259453 is a prime.

It is a super-2 number, since 2×994362263549² (a number of 25 digits) contains 22 as substring.

Together with 994362263551, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 994362263491 and 994362263500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994362263149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497181131774 + 497181131775.

It is an arithmetic number, because the mean of its divisors is an integer number (497181131775).

Almost surely, 2^994362263549 is an apocalyptic number.

It is an amenable number.

994362263549 is a deficient number, since it is larger than the sum of its proper divisors (1).

994362263549 is an equidigital number, since it uses as much as digits as its factorization.

994362263549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 62.

The spelling of 994362263549 in words is "nine hundred ninety-four billion, three hundred sixty-two million, two hundred sixty-three thousand, five hundred forty-nine".