544551610997 has 2 divisors, whose sum is σ = 544551610998. Its totient is φ = 544551610996.

The previous prime is 544551610961. The next prime is 544551611029. The reversal of 544551610997 is 799016155445.

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., 429488865316 + 115062745681 = 655354^2 + 339209^2 .

It is a cyclic number.

It is not a de Polignac number, because 544551610997 - 2⁸ = 544551610741 is a prime.

It is a super-2 number, since 2×544551610997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544551610937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272275805498 + 272275805499.

It is an arithmetic number, because the mean of its divisors is an integer number (272275805499).

Almost surely, 2^544551610997 is an apocalyptic number.

It is an amenable number.

544551610997 is a deficient number, since it is larger than the sum of its proper divisors (1).

544551610997 is an equidigital number, since it uses as much as digits as its factorization.

544551610997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 544551610997 in words is "five hundred forty-four billion, five hundred fifty-one million, six hundred ten thousand, nine hundred ninety-seven".