5501044009397 has 2 divisors, whose sum is σ = 5501044009398. Its totient is φ = 5501044009396.

The previous prime is 5501044009393. The next prime is 5501044009507. The reversal of 5501044009397 is 7939004401055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4428671922481 + 1072372086916 = 2104441^2 + 1035554^2 .

It is a cyclic number.

It is not a de Polignac number, because 5501044009397 - 2² = 5501044009393 is a prime.

It is a super-2 number, since 2×5501044009397² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5501044009393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750522004698 + 2750522004699.

It is an arithmetic number, because the mean of its divisors is an integer number (2750522004699).

Almost surely, 2^{5501044009397} is an apocalyptic number.

It is an amenable number.

5501044009397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5501044009397 is an equidigital number, since it uses as much as digits as its factorization.

5501044009397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 5501044009397 in words is "five trillion, five hundred one billion, forty-four million, nine thousand, three hundred ninety-seven".