549735519401 has 2 divisors, whose sum is σ = 549735519402. Its totient is φ = 549735519400.

The previous prime is 549735519331. The next prime is 549735519461. The reversal of 549735519401 is 104915537945.

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., 359160490000 + 190575029401 = 599300^2 + 436549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549735519401 is a prime.

It is not a weakly prime, because it can be changed into another prime (549735519461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274867759700 + 274867759701.

It is an arithmetic number, because the mean of its divisors is an integer number (274867759701).

Almost surely, 2^549735519401 is an apocalyptic number.

It is an amenable number.

549735519401 is a deficient number, since it is larger than the sum of its proper divisors (1).

549735519401 is an equidigital number, since it uses as much as digits as its factorization.

549735519401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 549735519401 in words is "five hundred forty-nine billion, seven hundred thirty-five million, five hundred nineteen thousand, four hundred one".