1894849899337 has 2 divisors, whose sum is σ = 1894849899338. Its totient is φ = 1894849899336.

The previous prime is 1894849899259. The next prime is 1894849899373. The reversal of 1894849899337 is 7339989484981.

Together with next prime (1894849899373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1593277587001 + 301572312336 = 1262251^2 + 549156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1894849899337 is a prime.

It is a super-2 number, since 2×1894849899337² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1894849899737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947424949668 + 947424949669.

It is an arithmetic number, because the mean of its divisors is an integer number (947424949669).

Almost surely, 2^{1894849899337} is an apocalyptic number.

It is an amenable number.

1894849899337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894849899337 is an equidigital number, since it uses as much as digits as its factorization.

1894849899337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386105856, while the sum is 82.

The spelling of 1894849899337 in words is "one trillion, eight hundred ninety-four billion, eight hundred forty-nine million, eight hundred ninety-nine thousand, three hundred thirty-seven".